{"title":"Fuel Injection Fuel Rail Kit","description":null,"products":[{"product_id":"msd-fuel-rail-kit-ls7-msd-atomic-airforce-intake-2722","title":"MSD Atomic EFI Billet Fuel Rails, LS7 AirForce Manifold Fitment | 2722","description":"\u003cp\u003eMSD's Atomic EFI billet fuel rails are machined to complement the Atomic AirForce intake manifold, featuring a bright dip black anodized finish with laser-etched logos and a 5\/8\" diameter fuel passage sized for high-horsepower applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: LS7 Atomic AirForce Intake Manifolds, PN 2701 \/ 27013 \/ 27014\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8\"\u003c\/li\u003e\n\u003cli\u003eFinish: Bright dip, black anodized with laser-etched logos\u003c\/li\u003e\n\u003cli\u003eFitting Size: -8 (3\/4-16 O-ring), fittings sold separately\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2722\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: tall EV1\/Bosch-style injectors may interfere with low-hood applications like the Corvette on LS7\/LT manifolds; 1999-2004 applications with a factory supply-and-return fuel line require adding a fuel pressure regulator; connecting directly to a GM factory quick-connect fuel line requires Adapter Kit PN 534-211 and a GM 3\/8\" quick-connect release tool.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat intake manifolds do the MSD 2722 fuel rails fit?\u003c\/h5\u003e\u003cp\u003eLS7 Atomic AirForce intake manifolds, part numbers 2701, 27013, and 27014.\u003c\/p\u003e\u003ch5\u003eWhat fuel passage size do these rails use?\u003c\/h5\u003e\u003cp\u003eA 5\/8\" diameter fuel passage sized for high-horsepower applications.\u003c\/p\u003e\u003ch5\u003eAre fittings included with the rails?\u003c\/h5\u003e\u003cp\u003eFour -6 to 3\/4-16 O-ring adapters are included; the large -8 O-ring fittings themselves (e.g., Earl's PN AT985008ERL) are sold separately.\u003c\/p\u003e\u003ch5\u003eIs there an interference concern with tall injectors?\u003c\/h5\u003e\u003cp\u003eYes, MSD notes that tall EV1\/Bosch-style injectors may interfere on low-hood applications such as the Corvette.\u003c\/p\u003e\u003ch5\u003eWhat's needed to connect directly to a GM factory quick-connect fuel line?\u003c\/h5\u003e\u003cp\u003eAdapter Kit PN 534-211 and a GM 3\/8\" quick-connect release tool are required.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What intake manifolds do the MSD 2722 fuel rails fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS7 Atomic AirForce intake manifolds, part numbers 2701, 27013, and 27014.\"}},{\"@type\":\"Question\",\"name\":\"What fuel passage size do these rails use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 5\/8 inch diameter fuel passage sized for high-horsepower applications.\"}},{\"@type\":\"Question\",\"name\":\"Are fittings included with the rails?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Four -6 to 3\/4-16 O-ring adapters are included; the large -8 O-ring fittings themselves are sold separately.\"}},{\"@type\":\"Question\",\"name\":\"Is there an interference concern with tall injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, MSD notes that tall EV1\/Bosch-style injectors may interfere on low-hood applications such as the Corvette.\"}},{\"@type\":\"Question\",\"name\":\"What's needed to connect directly to a GM factory quick-connect fuel line?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Adapter Kit PN 534-211 and a GM 3\/8 inch quick-connect release tool are required.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":41299336495152,"sku":"BCCX_2722","price":265.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/MSD2722.jpg?v=1712803008"},{"product_id":"fuel-rail-package-for-efi-hi-ram-351w-534-234","title":"Holley Hi-Ram 351W Fuel Rail Kit, -8AN O-Ring Ports, Black Aluminum | 534-234","description":"\u003cp\u003eThese EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Ford 351W Hi-Ram\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFuel System Type: EFI\u003c\/li\u003e\n\u003cli\u003eFittings Included: No\u003c\/li\u003e\n\u003cli\u003eInjectors Included: No\u003c\/li\u003e\n\u003cli\u003eGasket or Seal Included: No\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-234\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes (4) bolts and mounting hardware.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engine is the Holley 534-234 fuel rail kit designed for?\u003c\/h5\u003e\u003cp\u003eIt's built specifically for Ford 351W Hi-Ram intake applications.\u003c\/p\u003e\u003ch5\u003eWhat fitting size do these rails use?\u003c\/h5\u003e\u003cp\u003eThey're machined for -8AN O-ring fittings.\u003c\/p\u003e\u003ch5\u003eDoes this kit include fittings or injectors?\u003c\/h5\u003e\u003cp\u003eNo, fittings and injectors are sold separately.\u003c\/p\u003e\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\u003cp\u003eThe fuel rails plus (4) mounting bolts and hardware.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine is the Holley 534-234 fuel rail kit designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's built specifically for Ford 351W Hi-Ram intake applications.\"}},{\"@type\":\"Question\",\"name\":\"What fitting size do these rails use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They're machined for -8AN O-ring fittings.\"}},{\"@type\":\"Question\",\"name\":\"Does this kit include fittings or injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, fittings and injectors are sold separately.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The fuel rails plus (4) mounting bolts and hardware.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418601459760,"sku":"GVMR_534-234","price":274.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-234_0118297.jpg?v=1758386986"},{"product_id":"fuel-rail-kit-for-300-134-and-300-135-intake-manifold-534-220","title":"Holley Fuel Rail Kit for 300-134 \u0026 300-135 LS Intake Manifolds, Black | 534-220","description":"\u003cp\u003eThis fuel rail kit is purpose-built for the Holley GM 2x4 dual-plane manifold, pairing LS pushrod engine technology with the multi-carb look of the muscle car era.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS3\/L92\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFuel System: EFI\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-220\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFits Holley intake manifolds #300-134 and #300-135, used on GM LS Gen III or IV engines with LS3\/L92 rectangular-port cylinder heads. The LS engine architecture does not use an intake-mounted water neck or distributor.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhich Holley intake manifolds is this fuel rail kit designed for?\u003c\/h5\u003e\u003cp\u003eSpecifically Holley part numbers 300-134 and 300-135, 2x4 mid-rise dual-plane intake manifolds.\u003c\/p\u003e\u003ch5\u003eWhat engines does it fit?\u003c\/h5\u003e\u003cp\u003eGM LS Gen III\/IV engines with LS3\/L92 rectangular-port cylinder heads.\u003c\/p\u003e\u003ch5\u003eWhat color are the rails?\u003c\/h5\u003e\u003cp\u003eBlack.\u003c\/p\u003e\u003ch5\u003eDoes the LS intake use a water neck or distributor mount?\u003c\/h5\u003e\u003cp\u003eNo, the LS engine architecture doesn't use an intake-mounted water neck or distributor.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which Holley intake manifolds is this fuel rail kit designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Specifically Holley part numbers 300-134 and 300-135, 2x4 mid-rise dual-plane intake manifolds.\"}},{\"@type\":\"Question\",\"name\":\"What engines does it fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"GM LS Gen III\/IV engines with LS3\/L92 rectangular-port cylinder heads.\"}},{\"@type\":\"Question\",\"name\":\"What color are the rails?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Black.\"}},{\"@type\":\"Question\",\"name\":\"Does the LS intake use a water neck or distributor mount?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, the LS engine architecture doesn't use an intake-mounted water neck or distributor.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418601754672,"sku":"GVMR_534-220","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-218-19-20.jpg?v=1758386993"},{"product_id":"ls-fuel-rail-package-for-efi-hi-rams-and-single-plane-534-203","title":"Holley LS3\/LS7 Hi-Ram Fuel Rail Kit, -8AN O-Ring Ports, Black Aluminum | 534-203","description":"\u003cp\u003eThese EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFuel System Type: EFI\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-203\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned for LS3 and LS7 Hi-Ram and single-plane intakes. Includes (2) high-volume fuel rails configured with 3\/4-16 O-ring ports (AN-8), (4) 1\/4-20 UNC x 1-3\/4\" zinc-plated socket head cap screws, (4) washers (1\/4 x .50\" O.D. x .06\" thick), and (4) spacers (1\/4 I.D. x 1\/2\" O.D. x 3\/8\" thick).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the Holley 534-203 fuel rail kit include?\u003c\/h5\u003e\u003cp\u003eTwo high-volume fuel rails with 3\/4-16 O-ring ports (AN-8), (4) socket head cap screws, (4) washers, and (4) spacers.\u003c\/p\u003e\u003ch5\u003eWhat intakes is this designed for?\u003c\/h5\u003e\u003cp\u003eLS3 and LS7 Hi-Ram and single-plane intake manifolds.\u003c\/p\u003e\u003ch5\u003eWhat fitting size do the rails use?\u003c\/h5\u003e\u003cp\u003e3\/4-16 O-ring ports, equivalent to AN-8.\u003c\/p\u003e\u003ch5\u003eWhat material are the rails made of?\u003c\/h5\u003e\u003cp\u003eAluminum, finished in black.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the Holley 534-203 fuel rail kit include?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Two high-volume fuel rails with 3\/4-16 O-ring ports (AN-8), (4) socket head cap screws, (4) washers, and (4) spacers.\"}},{\"@type\":\"Question\",\"name\":\"What intakes is this designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS3 and LS7 Hi-Ram and single-plane intake manifolds.\"}},{\"@type\":\"Question\",\"name\":\"What fitting size do the rails use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"3\/4-16 O-ring ports, equivalent to AN-8.\"}},{\"@type\":\"Question\",\"name\":\"What material are the rails made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Aluminum, finished in black.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602082352,"sku":"GVMR_534-203","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-203.jpg?v=1758387001"},{"product_id":"fits-ls1-ls2-ls3-ls6-l99-factory-intakes-534-210","title":"Holley LS Hi-Flow Fuel Rail Kit with Hose \u0026 Fittings, LS1\/LS2\/LS3\/LS6\/L99 | 534-210","description":"\u003cp\u003eThese LS Hi-Flow fuel rails feature a bright dip, black anodized finish with a laser-etched EFI logo, plus a 5\/8\" diameter fuel passage for the flow capacity high-horsepower applications demand. This kit builds on 534-209 by adding braided hose and hose ends.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6 (fits LS1, LS2, LS3, LS6 \u0026amp; L99 factory intakes)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFittings Included: Yes\u003c\/li\u003e\n\u003cli\u003eGasket or Seal Included: Yes\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-210\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes (4) -6 to 3\/4-16 O-ring adapters plus 6' of braided hose, (4) 90-degree, and (2) straight -6 hose ends. If using aftermarket (tall) EV1 performance injectors: LS2, LS3, and L99 applications require taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without additional parts. Holley part number 534-211 allows easy connection to factory fuel lines.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat's included with the Holley 534-210 fuel rail kit?\u003c\/h5\u003e\u003cp\u003eBillet fuel rails, (4) -6 to 3\/4-16 O-ring adapters, 6 feet of braided hose, (4) 90-degree, and (2) straight -6 hose ends.\u003c\/p\u003e\u003ch5\u003eWhat intakes does this fit?\u003c\/h5\u003e\u003cp\u003eLS1, LS2, LS3, LS6, and L99 factory intake manifolds.\u003c\/p\u003e\u003ch5\u003eDo I need extra parts for EV1 injectors?\u003c\/h5\u003e\u003cp\u003eLS2, LS3, and L99 applications need taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without extra parts.\u003c\/p\u003e\u003ch5\u003eCan I connect to factory fuel lines?\u003c\/h5\u003e\u003cp\u003eYes, using Holley part number 534-211.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's included with the Holley 534-210 fuel rail kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Billet fuel rails, (4) -6 to 3\/4-16 O-ring adapters, 6 feet of braided hose, (4) 90-degree, and (2) straight -6 hose ends.\"}},{\"@type\":\"Question\",\"name\":\"What intakes does this fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1, LS2, LS3, LS6, and L99 factory intake manifolds.\"}},{\"@type\":\"Question\",\"name\":\"Do I need extra parts for EV1 injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS2, LS3, and L99 applications need taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without extra parts.\"}},{\"@type\":\"Question\",\"name\":\"Can I connect to factory fuel lines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, using Holley part number 534-211.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602246192,"sku":"GVMR_534-210","price":403.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-210.jpg?v=1758387008"},{"product_id":"ls-hi-flow-holley-efi-fuel-rails-fits-ls1-ls2-ls3-ls6-l99-factory-intakes-534-209","title":"Holley LS Hi-Flow Fuel Rails, LS1\/LS2\/LS3\/LS6\/L99, Black Aluminum | 534-209","description":"\u003cp\u003eThese LS Hi-Flow fuel rails feature a bright dip, black anodized finish with a laser-etched EFI logo, plus a 5\/8\" diameter fuel passage for the flow capacity high-horsepower applications demand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6 (fits LS1, LS2, LS3, LS6 \u0026amp; L99 factory intakes)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFittings Included: No\u003c\/li\u003e\n\u003cli\u003eGasket or Seal Included: Yes\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-209\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes (4) -6 to 3\/4\"-16 O-ring fittings plus mounting brackets and hardware. If using aftermarket (tall) EV1 performance injectors: LS2, LS3, and L99 applications require taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without additional parts. Holley part number 534-211 allows easy connection to factory fuel lines.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat's the difference between the 534-209 and 534-210 fuel rail kits?\u003c\/h5\u003e\u003cp\u003eThe 534-209 doesn't include hose and hose ends; the 534-210 adds 6 feet of braided hose plus (4) 90-degree and (2) straight -6 ends.\u003c\/p\u003e\u003ch5\u003eWhat fittings are included?\u003c\/h5\u003e\u003cp\u003e(4) -6 to 3\/4\"-16 O-ring fittings plus fuel rail mounting brackets and hardware.\u003c\/p\u003e\u003ch5\u003eWhat intakes fit this kit?\u003c\/h5\u003e\u003cp\u003eLS1, LS2, LS3, LS6, and L99 factory intake manifolds.\u003c\/p\u003e\u003ch5\u003eDo I need extra parts for EV1 injectors?\u003c\/h5\u003e\u003cp\u003eLS2, LS3, and L99 applications need taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without extra parts.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's the difference between the 534-209 and 534-210 fuel rail kits?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 534-209 doesn't include hose and hose ends; the 534-210 adds 6 feet of braided hose plus (4) 90-degree and (2) straight -6 ends.\"}},{\"@type\":\"Question\",\"name\":\"What fittings are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"(4) -6 to 3\/4-16 O-ring fittings plus fuel rail mounting brackets and hardware.\"}},{\"@type\":\"Question\",\"name\":\"What intakes fit this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1, LS2, LS3, LS6, and L99 factory intake manifolds.\"}},{\"@type\":\"Question\",\"name\":\"Do I need extra parts for EV1 injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS2, LS3, and L99 applications need taller brackets and adapter O-rings (Holley 534-212); LS1 and LS6 work with EV1 injectors without extra parts.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602311728,"sku":"GVMR_534-209","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-209.jpg?v=1758387017"},{"product_id":"billet-fuel-rail-kit-for-ls-truck-intake-534-245","title":"Holley Billet Fuel Rail Kit for LS Truck Intake, Dual -8AN, Hose \u0026 Fittings | 534-245","description":"\u003cp\u003eThis billet fuel rail kit allows dual -8AN feeds to keep up with the fueling demands of E85, E98, M1, and similar fuels, and lets you run both rails to a single high-flow fuel pressure regulator for complete control over the fuel system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6 (OE truck LS intakes)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFittings Included: Yes\u003c\/li\u003e\n\u003cli\u003eGasket or Seal Included: Yes\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-245\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes (2) fuel rails, (4) -6 to 3\/4\"-16 O-ring fittings, 6' of braided hose, (4) 90-degree and (2) straight -6 hose ends, mounting brackets, and required hardware. If using aftermarket (tall) EV1 performance injectors, the 534-246 bracket kit is required.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat's included in the Holley 534-245 kit?\u003c\/h5\u003e\u003cp\u003eTwo billet fuel rails, (4) -6 to 3\/4-16 O-ring fittings, 6 feet of braided hose, (4) 90-degree and (2) straight -6 hose ends, brackets, and mounting hardware.\u003c\/p\u003e\u003ch5\u003eWhat intake is this designed for?\u003c\/h5\u003e\u003cp\u003eOE-style GM LS truck intakes.\u003c\/p\u003e\u003ch5\u003eCan it handle E85 or methanol fuels?\u003c\/h5\u003e\u003cp\u003eYes, the dual -8AN feed design is built to keep up with higher-volume fuels like E85, E98, and M1.\u003c\/p\u003e\u003ch5\u003eDo I need extra parts for EV1 injectors?\u003c\/h5\u003e\u003cp\u003eYes, tall EV1 performance injectors require the 534-246 bracket kit.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's included in the Holley 534-245 kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Two billet fuel rails, (4) -6 to 3\/4-16 O-ring fittings, 6 feet of braided hose, (4) 90-degree and (2) straight -6 hose ends, brackets, and mounting hardware.\"}},{\"@type\":\"Question\",\"name\":\"What intake is this designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OE-style GM LS truck intakes.\"}},{\"@type\":\"Question\",\"name\":\"Can it handle E85 or methanol fuels?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the dual -8AN feed design is built to keep up with higher-volume fuels like E85, E98, and M1.\"}},{\"@type\":\"Question\",\"name\":\"Do I need extra parts for EV1 injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, tall EV1 performance injectors require the 534-246 bracket kit.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602377264,"sku":"GVMR_534-245","price":326.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-245_01.jpg?v=1758387024"},{"product_id":"billet-fuel-rail-kit-for-ls-truck-intake-534-244","title":"Holley Billet Fuel Rail Kit for LS Truck Intake, Dual -8AN O-Ring Fittings | 534-244","description":"\u003cp\u003eThis billet fuel rail kit allows dual -8AN feeds to keep up with the fueling demands of E85, E98, M1, and similar fuels, and lets you run both rails to a single high-flow fuel pressure regulator for complete control over the fuel system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6 (OE truck LS intakes)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFittings Included: Yes\u003c\/li\u003e\n\u003cli\u003eGasket or Seal Included: Yes\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-244\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes (2) fuel rails, (4) -6 to 3\/4\"-16 O-ring fittings, mounting brackets, and required hardware. If using aftermarket (tall) EV1 performance injectors, the 534-246 bracket kit is required.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat's included in the Holley 534-244 kit?\u003c\/h5\u003e\u003cp\u003eTwo billet fuel rails, (4) -6 to 3\/4-16 O-ring fittings, brackets, and mounting hardware.\u003c\/p\u003e\u003ch5\u003eHow does this differ from the 534-245?\u003c\/h5\u003e\u003cp\u003eThe 534-244 doesn't include braided hose and hose ends; the 534-245 adds a 6-foot hose kit with (4) 90-degree and (2) straight -6 ends.\u003c\/p\u003e\u003ch5\u003eWhat intake is this designed for?\u003c\/h5\u003e\u003cp\u003eOE-style GM LS truck intakes.\u003c\/p\u003e\u003ch5\u003eDo I need extra parts for EV1 injectors?\u003c\/h5\u003e\u003cp\u003eYes, tall EV1 performance injectors require the 534-246 bracket kit.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's included in the Holley 534-244 kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Two billet fuel rails, (4) -6 to 3\/4-16 O-ring fittings, brackets, and mounting hardware.\"}},{\"@type\":\"Question\",\"name\":\"How does this differ from the 534-245?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 534-244 doesn't include braided hose and hose ends; the 534-245 adds a 6-foot hose kit with (4) 90-degree and (2) straight -6 ends.\"}},{\"@type\":\"Question\",\"name\":\"What intake is this designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OE-style GM LS truck intakes.\"}},{\"@type\":\"Question\",\"name\":\"Do I need extra parts for EV1 injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, tall EV1 performance injectors require the 534-246 bracket kit.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602442800,"sku":"GVMR_534-244","price":217.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-244_01.jpg?v=1758387031"},{"product_id":"2003-2021-naturally-aspirated-gen-iii-hemi-engines-5-7-6-1-and-6-4-liter-534-284","title":"Holley Hi-Flow Billet Fuel Rails, 5.7\/6.1\/6.4L Gen III Hemi, -8 ORB | 534-284","description":"\u003cp\u003eThese Hi-Flow billet fuel rails are a direct fit for naturally aspirated Gen III Hemi engines, including the 5.7L, 6.1L, and 6.4L from 2003-2021, offering a 5\/8\" fuel passage for more flow capacity than the stock rails.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: Gen III Hemi\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFittings Included: No\u003c\/li\u003e\n\u003cli\u003eInjectors Included: No\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-284\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMachined billet extrusions with laser-etched Holley EFI logo. Factory injector clip reliefs are retained so factory injectors and retaining clips can be reused, correctly locating the injector spray pattern. Black anodized rails feature -8 ORB ports on each end and a 1\/8\" NPT gauge port; gauge ports can be used as a fuel feed connection with NOS P\/N 17015NOS, or fed from the factory line using Holley P\/N 534-211. Includes mounting brackets and hardware.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat Hemi engines does the 534-284 fit?\u003c\/h5\u003e\u003cp\u003eNaturally aspirated Gen III Hemi engines: 5.7L, 6.1L, and 6.4L, model years 2003-2021.\u003c\/p\u003e\u003ch5\u003eCan I reuse my factory injectors?\u003c\/h5\u003e\u003cp\u003eYes, the rails are designed with factory injector clip reliefs so factory injectors and retaining clips can be reused.\u003c\/p\u003e\u003ch5\u003eWhat's the gauge port for?\u003c\/h5\u003e\u003cp\u003eThe 1\/8\" NPT gauge port can be used for a fuel gauge, or as a fuel feed connection with NOS P\/N 17015NOS.\u003c\/p\u003e\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\u003cp\u003eFuel rails, mounting brackets, and required hardware.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What Hemi engines does the 534-284 fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Naturally aspirated Gen III Hemi engines: 5.7L, 6.1L, and 6.4L, model years 2003-2021.\"}},{\"@type\":\"Question\",\"name\":\"Can I reuse my factory injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the rails are designed with factory injector clip reliefs so factory injectors and retaining clips can be reused.\"}},{\"@type\":\"Question\",\"name\":\"What's the gauge port for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 1\/8-inch NPT gauge port can be used for a fuel gauge, or as a fuel feed connection with NOS P\/N 17015NOS.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fuel rails, mounting brackets, and required hardware.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602508336,"sku":"GVMR_534-284","price":238.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-284_02.jpg?v=1758387038"},{"product_id":"2011-2021-ford-coyote-engines-including-the-2018-2021-direct-injected-engines-534-283","title":"Holley Hi-Flow Billet Fuel Rails, 2011-2021 Ford Coyote 5.0\/5.2L | 534-283","description":"\u003cp\u003eThese Hi-Flow billet fuel rails are a direct fit for late-model, 2011-and-newer naturally aspirated Coyote engines (5.0L and 5.2L), including Cobra Jet and Boss 302, plus 2018-and-newer direct-injection engines, offering a 5\/8\" fuel passage for more flow capacity than stock rails.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: Ford Coyote\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003cli\u003eFuel System: EFI\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Rail\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-283\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMachined billet extrusions with laser-etched Holley EFI logo. Factory injector clip reliefs are retained so factory injectors and retaining clips can be reused, correctly locating the injector spray pattern. Black anodized rails feature -8 ORB ports on each end and a 1\/8\" NPT gauge port. On 2018+ GT models, the gauge port can be used to install a fuel press\/temp sensor or feed the DI pump with Earls P\/N 02112ERL or NOS P\/N 17015NOS. Rail feed from the factory line can also be done with Holley P\/N 534-211. Includes mounting brackets and hardware.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat Coyote engines does the 534-283 fit?\u003c\/h5\u003e\u003cp\u003e2011-and-newer naturally aspirated 5.0L and 5.2L Coyote engines, including Cobra Jet and Boss 302, plus 2018-and-newer direct-injection engines.\u003c\/p\u003e\u003ch5\u003eCan I reuse my factory injectors?\u003c\/h5\u003e\u003cp\u003eYes, factory injector clip reliefs are retained so factory injectors and retaining clips can be reused.\u003c\/p\u003e\u003ch5\u003eWhat's the gauge port used for on DI models?\u003c\/h5\u003e\u003cp\u003eOn 2018+ GT models, it can install a fuel pressure\/temp sensor or feed the direct-injection pump using Earls P\/N 02112ERL or NOS P\/N 17015NOS.\u003c\/p\u003e\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\u003cp\u003eFuel rails, mounting brackets, and required hardware.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What Coyote engines does the 534-283 fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2011-and-newer naturally aspirated 5.0L and 5.2L Coyote engines, including Cobra Jet and Boss 302, plus 2018-and-newer direct-injection engines.\"}},{\"@type\":\"Question\",\"name\":\"Can I reuse my factory injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, factory injector clip reliefs are retained so factory injectors and retaining clips can be reused.\"}},{\"@type\":\"Question\",\"name\":\"What's the gauge port used for on DI models?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"On 2018+ GT models, it can install a fuel pressure\/temp sensor or feed the direct-injection pump using Earls P\/N 02112ERL or NOS P\/N 17015NOS.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fuel rails, mounting brackets, and required hardware.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418602573872,"sku":"GVMR_534-283","price":223.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-283_01.jpg?v=1758387046"},{"product_id":"replacement-fuel-rail-kit-for-lo-ram-dual-injector-manifolds-534-261","title":"Holley Replacement Fuel Rail Kit, Lo-Ram Dual Injector, 8AN | 534-261","description":"\u003cp\u003eThis replacement fuel rail kit is designed for Lo-Ram intake manifolds using a dual-injector-per-cylinder layout. Finished in black anodizing with a laser-etched EFI logo, the high-volume rails include mounting hardware and 3\/4\"-16 O-ring ports (8AN).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6\u003c\/li\u003e\n\u003cli\u003eInjector design: Dual injector per cylinder\u003c\/li\u003e\n\u003cli\u003ePort size: 3\/4\"-16 O-ring (8AN)\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: Black anodized, laser-etched EFI logo\u003c\/li\u003e\n\u003cli\u003eIncludes: Mounting hardware, two bracket sets (long and short injectors)\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-261\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe kit comes with two sets of brackets — one for long, standard-length injectors and one for short injectors such as Pico or LS7 styles.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds is this fuel rail kit designed for?\u003c\/h5\u003e\u003cp\u003eIt's built for Lo-Ram intake manifolds with a dual-injector-per-cylinder design.\u003c\/p\u003e\u003ch5\u003eWhat size fittings does it use?\u003c\/h5\u003e\u003cp\u003eThe rails use 3\/4\"-16 O-ring ports (8AN).\u003c\/p\u003e\u003ch5\u003eDoes it work with short injectors?\u003c\/h5\u003e\u003cp\u003eYes, the kit includes a separate bracket set for short injectors such as Pico or LS7 styles, in addition to the standard-length bracket set.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds is this fuel rail kit designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's built for Lo-Ram intake manifolds with a dual-injector-per-cylinder design.\"}},{\"@type\":\"Question\",\"name\":\"What size fittings does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The rails use 3\/4\\\"-16 O-ring ports (8AN).\"}},{\"@type\":\"Question\",\"name\":\"Does it work with short injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the kit includes a separate bracket set for short injectors such as Pico or LS7 styles, in addition to the standard-length bracket set.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418623807536,"sku":"GVMR_534-261","price":333.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/300-601bk_02.jpg?v=1758388379"},{"product_id":"coyote-hi-ram-and-ultra-lo-ram-fuel-rail-kit-534-320","title":"Holley Coyote Hi-Ram \u0026 Ultra Lo-Ram Fuel Rail Kit, Black | 534-320","description":"\u003cp\u003eThis fuel rail kit is built for use with Holley's Coyote Hi-Ram and Ultra Lo-Ram intake manifold bases (300-920 and 300-921), supplying the fuel rails and mounting hardware needed to complete the intake.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with: Holley Coyote Hi-Ram and Ultra Lo-Ram intake manifold bases, PN 300-920 and 300-921\u003c\/li\u003e\n\u003cli\u003eEngine: Ford Coyote\u003c\/li\u003e\n\u003cli\u003eIncludes: Fuel rails and mounting hardware\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-320\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds does this fuel rail kit work with?\u003c\/h5\u003e\u003cp\u003eHolley's Coyote Hi-Ram and Ultra Lo-Ram intake manifold bases, part numbers 300-920 and 300-921.\u003c\/p\u003e\u003ch5\u003eDoes this kit include mounting hardware?\u003c\/h5\u003e\u003cp\u003eYes — fuel rails and mounting hardware are both included.\u003c\/p\u003e\u003ch5\u003eWhat finish is this kit?\u003c\/h5\u003e\u003cp\u003eBlack.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds does this fuel rail kit work with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Holley's Coyote Hi-Ram and Ultra Lo-Ram intake manifold bases, part numbers 300-920 and 300-921.\"}},{\"@type\":\"Question\",\"name\":\"Does this kit include mounting hardware?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — fuel rails and mounting hardware are both included.\"}},{\"@type\":\"Question\",\"name\":\"What finish is this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Black.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418628591664,"sku":"GVMR_534-320","price":171.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/03055b34236cc678ac8d5db2fd5e0e02d78cb1a3.jpg?v=1758388756"},{"product_id":"gen-v-lt-hi-ram-fuel-rail-adapter-kit-534-224","title":"Holley Hi-Ram Fuel Rail Adapter Kit, GM Gen V LT1, LS7 Injectors | 534-224","description":"\u003cp\u003eThis replacement fuel rail kit is specifically designed to work with Holley's Hi-Ram intake manifold on GM Gen V LT1 engines, sized for LS7-style fuel injectors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM Gen V LT1\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminum\u003c\/li\u003e\n\u003cli\u003eFuel System Type: EFI, Port\u003c\/li\u003e\n\u003cli\u003eInjector Compatibility: LS7-style fuel injectors\u003c\/li\u003e\n\u003cli\u003eContents: (2) fuel rails, (4) fuel rail spacers, (4) 1\/4 AN stainless steel washers, (4) 1\/4-20 x 1.75\" long socket head capscrews, (8) fuel injector to intake manifold seal O-rings\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-224\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the 534-224 fit?\u003c\/h5\u003e\u003cp\u003eHolley's Hi-Ram intake manifold on GM Gen V LT1 engines, sized for LS7-style fuel injectors.\u003c\/p\u003e\u003ch5\u003eWhat's included in the kit?\u003c\/h5\u003e\u003cp\u003e2 fuel rails, 4 fuel rail spacers, 4 stainless washers, 4 socket head capscrews, and 8 injector-to-manifold seal O-rings.\u003c\/p\u003e\u003ch5\u003eWhat finish does it come in?\u003c\/h5\u003e\u003cp\u003eBlack, aluminum construction.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the 534-224 fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Holley's Hi-Ram intake manifold on GM Gen V LT1 engines, sized for LS7-style fuel injectors.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2 fuel rails, 4 fuel rail spacers, 4 stainless washers, 4 socket head capscrews, and 8 injector-to-manifold seal O-rings.\"}},{\"@type\":\"Question\",\"name\":\"What finish does it come in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Black, aluminum construction.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418642714672,"sku":"GVMR_534-224","price":279.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-20318236.jpg?v=1758389379"},{"product_id":"ford-7-3l-godzilla-billet-fuel-rails-534-265","title":"Holley Ford 7.3L Godzilla Billet Fuel Rails, -8 ORB, Black Anodized | 534-265","description":"\u003cp\u003eThese billet fuel rails are a direct fit for the Ford 7.3L Godzilla engine, machined with a 5\/8\" diameter fuel passage that flows more than the stock rails for higher-horsepower builds. The black anodized rails accept -8 O-ring fittings on each end and include an 1\/8\" NPT port for an optional fuel gauge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: Ford 7.3L Godzilla\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8\"\u003c\/li\u003e\n\u003cli\u003eFitting Ports: -8 ORB (3\/4-16) on each end, plus 1\/8\" NPT gauge port\u003c\/li\u003e\n\u003cli\u003eFinish: Black Anodized, laser-etched EFI logo\u003c\/li\u003e\n\u003cli\u003eFittings Included: Yes — (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003eMounting Hardware Included: Yes, with mounting brackets\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-265\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese rails fit the stock intake manifold and factory injectors. Part number 534-266 includes everything from this kit plus 6 ft. of braided hose and hose ends, if a complete plumbing kit is preferred.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engine do the 534-265 fuel rails fit?\u003c\/h5\u003e\u003cp\u003eThe Ford 7.3L Godzilla engine, using the stock intake manifold and factory injectors.\u003c\/p\u003e\u003ch5\u003eWhat fittings are included?\u003c\/h5\u003e\u003cp\u003eFour -6 to 3\/4-16 O-ring adapters, plus mounting brackets and hardware.\u003c\/p\u003e\u003ch5\u003eIs there a version with hose included?\u003c\/h5\u003e\u003cp\u003eYes, part number 534-266 includes the same rails plus 6 ft. of braided hose and hose ends.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine do the 534-265 fuel rails fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Ford 7.3L Godzilla engine, using the stock intake manifold and factory injectors.\"}},{\"@type\":\"Question\",\"name\":\"What fittings are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Four -6 to 3\/4-16 O-ring adapters, plus mounting brackets and hardware.\"}},{\"@type\":\"Question\",\"name\":\"Is there a version with hose included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, part number 534-266 includes the same rails plus 6 ft. of braided hose and hose ends.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42527100960816,"sku":"GVMR_534-265","price":238.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-265_Edit.png?v=1761900575"},{"product_id":"billet-fuel-rail-kit-lsa-and-ls9-534-285","title":"Holley Billet Fuel Rail Kit, GM LSA\/LS9, -8AN O-Ring Ports, Black | 534-285","description":"\u003cp\u003eDress up and open up a ZL1, CTS-V, or ZR-1 with Holley Hi-Flow billet fuel rails. The bright-dip, black-anodized rails feature a laser-etched EFI logo and serve as a direct replacement for the factory blower rails or any other supercharger designed to use OEM rails.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LSA\/LS9\u003c\/li\u003e\n\u003cli\u003eFinish: Black, bright dip anodized with laser-etched EFI logo\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003ePort Type: Port EFI, -8 (3\/4-16) ORB inlet\/outlet\u003c\/li\u003e\n\u003cli\u003eAuxiliary Ports: Four -6 (9\/16-18) ORB ports (plugs included for unused ports)\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 21\/32\" (0.656\")\u003c\/li\u003e\n\u003cli\u003eInjector Feed Diameter: 1\/4\" (0.25\")\u003c\/li\u003e\n\u003cli\u003eBracket Compatibility: Factory-height injectors (33.60mm)\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-285\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTo use the factory fuel line quick-connect, add adapter kit P\/N 534-211 (sold separately). System fuel pressure must be relieved before disassembly; a 3\/8\" quick-connect release tool is required to disconnect the factory fuel line.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat vehicles is the 534-285 fuel rail kit designed for?\u003c\/h5\u003e\u003cp\u003eGM LSA\/LS9-equipped vehicles such as the CTS-V, Camaro ZL1, and Corvette ZR1.\u003c\/p\u003e\u003ch5\u003eWhat injector height do the included brackets fit?\u003c\/h5\u003e\u003cp\u003eFactory-height injectors (33.60mm).\u003c\/p\u003e\u003ch5\u003eCan I use my factory fuel line quick-connect?\u003c\/h5\u003e\u003cp\u003eYes, with the separately sold P\/N 534-211 adapter kit.\u003c\/p\u003e\u003ch5\u003eWhat special tool is needed for installation?\u003c\/h5\u003e\u003cp\u003eA 3\/8\" quick-connect release tool to disconnect the factory fuel line; relieve system fuel pressure before disassembly.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What vehicles is the 534-285 fuel rail kit designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"GM LSA\/LS9-equipped vehicles such as the CTS-V, Camaro ZL1, and Corvette ZR1.\"}},{\"@type\":\"Question\",\"name\":\"What injector height do the included brackets fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Factory-height injectors (33.60mm).\"}},{\"@type\":\"Question\",\"name\":\"Can I use my factory fuel line quick-connect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, with the separately sold P\/N 534-211 adapter kit.\"}},{\"@type\":\"Question\",\"name\":\"What special tool is needed for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 3\/8 inch quick-connect release tool to disconnect the factory fuel line; relieve system fuel pressure before disassembly.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42527117934640,"sku":"GVMR_534-285","price":313.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/c1290e9af3badfa55534dcf79fae144c72212f57.jpg?v=1761900725"},{"product_id":"holley-efi-ls1-for-dual-quad-and-cathedral-port-hi-ram-534-204","title":"Holley LS1\/LS2\/LS6 Fuel Rail Kit, Dual-Quad\/Cathedral Port Hi-Ram, -8AN | 534-204","description":"\u003cp\u003eThis Holley fuel rail kit is designed for LS1\/LS2\/LS6 dual-quad and cathedral-port Hi-Ram intake manifolds, delivering high-volume fuel flow through -8AN O-ring ports.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003ePort Type: 3\/4-16 O-ring (AN-8)\u003c\/li\u003e\n\u003cli\u003eIncluded Hardware: (4) 1\/4-20 UNC x 1-3\/4\" zinc-plated socket head cap screws, (4) washers, (4) spacers\u003c\/li\u003e\n\u003cli\u003eFits: Dual-quad and cathedral-port Hi-Ram manifolds\u003c\/li\u003e\n\u003cli\u003ePart Number: 534-204\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds does the 534-204 fuel rail kit fit?\u003c\/h5\u003e\u003cp\u003eLS1\/LS2\/LS6 dual-quad and cathedral-port Hi-Ram intake manifolds.\u003c\/p\u003e\u003ch5\u003eWhat port size do the rails use?\u003c\/h5\u003e\u003cp\u003e3\/4-16 O-ring ports (AN-8).\u003c\/p\u003e\u003ch5\u003eWhat hardware is included?\u003c\/h5\u003e\u003cp\u003eZinc-plated socket head cap screws, washers, and spacers for mounting.\u003c\/p\u003e\u003ch5\u003eIs this kit street legal?\u003c\/h5\u003e\u003cp\u003eNo. It's legal for sale and use only on Racing Use Only vehicles that are never registered or operated on the street.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds does the 534-204 fuel rail kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1\/LS2\/LS6 dual-quad and cathedral-port Hi-Ram intake manifolds.\"}},{\"@type\":\"Question\",\"name\":\"What port size do the rails use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"3\/4-16 O-ring ports (AN-8).\"}},{\"@type\":\"Question\",\"name\":\"What hardware is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Zinc-plated socket head cap screws, washers, and spacers for mounting.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit street legal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It's legal for sale and use only on Racing Use Only vehicles that are never registered or operated on the street.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42578507857968,"sku":"GVMR_534-204","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/534-203_e70649a0-9eb9-4bc6-b475-4781a42356fa.jpg?v=1763795336"},{"product_id":"msd-msd-atomic-efi-billet-fuel-rails-billet-aluminum-fuel-rails-for-use-on-gen-v-lt1-atomic-airforce-intake-manifolds-fits-manifold-part-numbers-2700-27003-and-27004-msd-ignition-2724","title":"MSD Atomic EFI Billet Fuel Rails, LT1 AirForce Intake | 2724","description":"\u003cp\u003eMSD's billet Atomic EFI fuel rails complement the look of an Atomic AirForce intake manifold while providing the flow capacity needed for high-horsepower applications. They're available as rails only or as complete kits with all necessary plumbing, finished in a bright-dip, black-anodized finish with laser-etched logos.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: MSD\u003c\/li\u003e\n\u003cli\u003eCategory: Air and Fuel Delivery\u003c\/li\u003e\n\u003cli\u003ePart Type: Fuel Injector Rail\u003c\/li\u003e\n\u003cli\u003eSub Category: Fuel Injection System and Related Components\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2724\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFits Gen-V LT1 Atomic AirForce intake manifolds, part numbers 2700, 27003, and 27004. Fuel rails are machined to accept large -8 (3\/4-16) O-ring fittings, sold separately. 1999-2004 applications using a factory supply-and-return fuel line require an added fuel pressure regulator. Adapter kit 534-211 is required to connect directly to a GM factory fuel line quick-connect, and a GM 3\/8\" quick-connect release tool is needed to disconnect the factory line.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat intake manifolds does this fuel rail fit?\u003c\/h5\u003e\u003cp\u003eIt's designed for Gen-V LT1 Atomic AirForce intake manifolds, part numbers 2700, 27003, and 27004.\u003c\/p\u003e\u003ch5\u003eWhat fitting size do these rails use?\u003c\/h5\u003e\u003cp\u003eThey're machined to accept large -8 (3\/4-16) O-ring fittings, sold separately, and include (4) -6 to 3\/4-16 O-ring adapters.\u003c\/p\u003e\u003ch5\u003eDo I need any extra parts to connect to a factory fuel line?\u003c\/h5\u003e\u003cp\u003eYes. Connecting directly to a GM factory fuel line quick-connect requires adapter kit 534-211, and a GM 3\/8\" quick-connect release tool is needed to disconnect the factory line.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What intake manifolds does this fuel rail fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's designed for Gen-V LT1 Atomic AirForce intake manifolds, part numbers 2700, 27003, and 27004.\"}},{\"@type\":\"Question\",\"name\":\"What fitting size do these rails use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They're machined to accept large -8 (3\/4-16) O-ring fittings, sold separately, and include (4) -6 to 3\/4-16 O-ring adapters.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any extra parts to connect to a factory fuel line?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Connecting directly to a GM factory fuel line quick-connect requires adapter kit 534-211, and a GM 3\/8 quick-connect release tool is needed to disconnect the factory line.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":42698309074992,"sku":"BCCX_2724","price":265.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/2724-BCCX.jpg?v=1767998187"},{"product_id":"msd-msd-atomic-efi-billet-fuel-rails-billet-aluminum-fuel-rail-kit-for-use-on-ls1-2-6-atomic-airforce-intake-manifolds-fits-manifold-part-numbers-2702-27023-and-27024-msd-ignition-2721","title":"MSD Atomic EFI Billet Fuel Rail Kit, LS1\/LS2\/LS6, Black Anodized | 2721","description":"\u003cp\u003eThese billet aluminum fuel rails enhance the look of an Atomic AirForce intake manifold while providing the flow capacity needed for high-horsepower applications. The bright dip, black anodized finish with laser-etched logos holds up for years, and the 5\/8-inch diameter fuel passage matches the AirForce manifold's flow characteristics.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCategory: Air and Fuel Delivery\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Injector Rail\u003c\/li\u003e\n\u003cli\u003eSub Category: Fuel Injection System and Related Components\u003c\/li\u003e\n\u003cli\u003eFitment: LS1\/LS2\/LS6 Atomic AirForce intake manifolds (PN 2702, 27023, 27024)\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eFinish: Bright dip, black anodized, laser-etched logos\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2721\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTall EV1\/Bosch-style injectors may interfere with low-hood applications such as the Corvette. 1999-2004 applications using a factory supply-and-return fuel line will need an added fuel pressure regulator. Connecting directly to the GM factory fuel line quick-connect requires adapter kit PN 534-211 and a GM 3\/8\" quick-connect release tool. The rails accept large -8 (3\/4-16) O-ring fittings, sold separately (Earl's PN AT9850008ERL, 4 required).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds does this fuel rail kit fit?\u003c\/h5\u003e\u003cp\u003eLS1\/LS2\/LS6 Atomic AirForce intake manifolds, part numbers 2702, 27023, and 27024.\u003c\/p\u003e\u003ch5\u003eWhat's included in the kit?\u003c\/h5\u003e\u003cp\u003eThe billet fuel rails plus (4) -6 to 3\/4-16 O-ring adapters and the plumbing needed for installation.\u003c\/p\u003e\u003ch5\u003eDo I need any special tools to install it?\u003c\/h5\u003e\u003cp\u003eA GM 3\/8\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\u003c\/p\u003e\u003ch5\u003eWhat size fittings do the rails accept?\u003c\/h5\u003e\u003cp\u003eLarge -8 (3\/4-16) O-ring fittings, sold separately.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds does this fuel rail kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1\/LS2\/LS6 Atomic AirForce intake manifolds, part numbers 2702, 27023, and 27024.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The billet fuel rails plus (4) -6 to 3\/4-16 O-ring adapters and the plumbing needed for installation.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any special tools to install it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A GM 3\/8\\\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\"}},{\"@type\":\"Question\",\"name\":\"What size fittings do the rails accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Large -8 (3\/4-16) O-ring fittings, sold separately.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":42698315563056,"sku":"BCCX_2721","price":276.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/2721-BCCX.jpg?v=1767998510"},{"product_id":"msd-msd-atomic-efi-billet-fuel-rails-billet-aluminum-fuel-rails-for-use-on-ls1-2-6-atomic-airforce-intake-manifolds-fits-manifold-part-numbers-2702-27023-and-27024-msd-ignition-2720","title":"MSD Atomic EFI Billet Fuel Rails, LS1\/LS2\/LS6, Black Anodized | 2720","description":"\u003cp\u003eThese billet aluminum fuel rails enhance the look of an Atomic AirForce intake manifold while providing the flow capacity needed for high-horsepower applications. The bright dip, black anodized finish with laser-etched logos holds up for years, and the 5\/8-inch diameter fuel passage matches the AirForce manifold's flow characteristics.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCategory: Air and Fuel Delivery\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Injector Rail\u003c\/li\u003e\n\u003cli\u003eSub Category: Fuel Injection System and Related Components\u003c\/li\u003e\n\u003cli\u003eFitment: LS1\/LS2\/LS6 Atomic AirForce intake manifolds (PN 2702, 27023, 27024)\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eFinish: Bright dip, black anodized, laser-etched logos\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2720\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTall EV1\/Bosch-style injectors may interfere with low-hood applications such as the Corvette. 1999-2004 applications using a factory supply-and-return fuel line will need an added fuel pressure regulator. Connecting directly to the GM factory fuel line quick-connect requires adapter kit PN 534-211 and a GM 3\/8\" quick-connect release tool. The rails accept large -8 (3\/4-16) O-ring fittings, sold separately (Earl's PN AT9850008ERL, 4 required).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds do these fuel rails fit?\u003c\/h5\u003e\u003cp\u003eLS1\/LS2\/LS6 Atomic AirForce intake manifolds, part numbers 2702, 27023, and 27024.\u003c\/p\u003e\u003ch5\u003eWhat finish do the rails have?\u003c\/h5\u003e\u003cp\u003eA bright dip, black anodized finish with laser-etched logos.\u003c\/p\u003e\u003ch5\u003eDo I need any special tools to install them?\u003c\/h5\u003e\u003cp\u003eA GM 3\/8\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\u003c\/p\u003e\u003ch5\u003eWhat size fittings do the rails accept?\u003c\/h5\u003e\u003cp\u003eLarge -8 (3\/4-16) O-ring fittings, sold separately.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds do these fuel rails fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1\/LS2\/LS6 Atomic AirForce intake manifolds, part numbers 2702, 27023, and 27024.\"}},{\"@type\":\"Question\",\"name\":\"What finish do the rails have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A bright dip, black anodized finish with laser-etched logos.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any special tools to install them?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A GM 3\/8\\\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\"}},{\"@type\":\"Question\",\"name\":\"What size fittings do the rails accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Large -8 (3\/4-16) O-ring fittings, sold separately.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":42698315628592,"sku":"BCCX_2720","price":259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/2720-BCCX.jpg?v=1767998516"},{"product_id":"msd-msd-atomic-efi-billet-fuel-rails-billet-aluminum-fuel-rail-kit-for-use-on-gen-v-lt1-atomic-airforce-intake-manifolds-fits-manifold-part-numbers-2700-27003-and-27004-msd-ignition-2725","title":"MSD Atomic EFI Billet Fuel Rail Kit, Gen-V LT1, Black Anodized | 2725","description":"\u003cp\u003eThese billet aluminum fuel rails enhance the look of an Atomic AirForce intake manifold while providing the flow capacity needed for high-horsepower applications. The bright dip, black anodized finish with laser-etched logos holds up for years, and the 5\/8-inch diameter fuel passage matches the AirForce manifold's flow characteristics.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCategory: Air and Fuel Delivery\u003c\/li\u003e\n\u003cli\u003eProduct Type: Fuel Injector Rail\u003c\/li\u003e\n\u003cli\u003eSub Category: Fuel Injection System and Related Components\u003c\/li\u003e\n\u003cli\u003eFitment: Gen-V LT1 Atomic AirForce intake manifolds (PN 2700, 27003, 27004)\u003c\/li\u003e\n\u003cli\u003eFuel Passage Diameter: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eFinish: Bright dip, black anodized, laser-etched logos\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2725\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTall EV1\/Bosch-style injectors may interfere with low-hood applications such as the Corvette. 1999-2004 applications using a factory supply-and-return fuel line will need an added fuel pressure regulator. Connecting directly to the GM factory fuel line quick-connect requires adapter kit PN 534-211 and a GM 3\/8\" quick-connect release tool. The rails accept large -8 (3\/4-16) O-ring fittings, sold separately (Earl's PN AT9850008ERL, 4 required).\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat manifolds does this fuel rail kit fit?\u003c\/h5\u003e\u003cp\u003eGen-V LT1 Atomic AirForce intake manifolds, part numbers 2700, 27003, and 27004.\u003c\/p\u003e\u003ch5\u003eWhat's included in the kit?\u003c\/h5\u003e\u003cp\u003eThe billet fuel rails plus (4) -6 to 3\/4-16 O-ring adapters and the plumbing needed for installation.\u003c\/p\u003e\u003ch5\u003eDo I need any special tools to install it?\u003c\/h5\u003e\u003cp\u003eA GM 3\/8\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\u003c\/p\u003e\u003ch5\u003eWhat size fittings do the rails accept?\u003c\/h5\u003e\u003cp\u003eLarge -8 (3\/4-16) O-ring fittings, sold separately.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What manifolds does this fuel rail kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Gen-V LT1 Atomic AirForce intake manifolds, part numbers 2700, 27003, and 27004.\"}},{\"@type\":\"Question\",\"name\":\"What's included in the kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The billet fuel rails plus (4) -6 to 3\/4-16 O-ring adapters and the plumbing needed for installation.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any special tools to install it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A GM 3\/8\\\" quick-connect release tool is required to disconnect the factory fuel line, and 1999-2004 applications with a factory supply-and-return line need an added fuel pressure regulator.\"}},{\"@type\":\"Question\",\"name\":\"What size fittings do the rails accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Large -8 (3\/4-16) O-ring fittings, sold separately.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":42698315825200,"sku":"BCCX_2725","price":363.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/2725-BCCX.jpg?v=1767998540"},{"product_id":"msd-msd-atomic-efi-billet-fuel-rails-2723","title":"MSD Atomic EFI Billet Fuel Rails, LS7 Atomic AirForce Intake | 2723","description":"\u003cp\u003eMSD's Atomic EFI billet fuel rails complement the look of the Atomic AirForce intake manifold while delivering the flow capacity needed for high-horsepower applications. Machined with a 5\/8\" diameter fuel passage, they're finished in a bright-dip, black-anodized coating with laser-etched logos.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCategory: Air and Fuel Delivery\u003c\/li\u003e\n\u003cli\u003eType: Fuel Injector Rail\u003c\/li\u003e\n\u003cli\u003eFitment: LS7 Atomic AirForce Intake Manifolds (Manifold P\/N 2701, 27013, 27014)\u003c\/li\u003e\n\u003cli\u003eFuel Passage: 5\/8 in diameter\u003c\/li\u003e\n\u003cli\u003eFinish: Black anodized, laser-etched logo\u003c\/li\u003e\n\u003cli\u003eFittings: Includes (4) -6 to 3\/4-16 O-ring adapters\u003c\/li\u003e\n\u003cli\u003ePart Number: 2723\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf using tall EV1\/Bosch-style injectors on LS7 or LT applications, there may be interference on low-hood vehicles such as the Corvette. 1999-2004 applications using a factory supply-and-return fuel line will require an added fuel pressure regulator. A GM 3\/8\" quick-connect release tool is needed to disconnect the factory fuel line. Rails accept large -8 (3\/4-16) O-ring fittings, sold separately.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat intake manifold does this fuel rail fit?\u003c\/h5\u003e\u003cp\u003eIt's designed for LS7 Atomic AirForce intake manifolds, part numbers 2701, 27013, and 27014.\u003c\/p\u003e\u003ch5\u003eWhat size fuel passage does this rail have?\u003c\/h5\u003e\u003cp\u003eIt has a 5\/8-inch diameter fuel passage for high-flow, high-horsepower applications.\u003c\/p\u003e\u003ch5\u003eWhat fittings are included?\u003c\/h5\u003e\u003cp\u003eIt includes (4) -6 to 3\/4-16 O-ring adapters; large -8 O-ring fittings are sold separately.\u003c\/p\u003e\u003ch5\u003eIs a special tool needed for installation?\u003c\/h5\u003e\u003cp\u003eYes, a GM 3\/8-inch quick-connect release tool is needed to disconnect the factory fuel line on applicable applications.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What intake manifold does this fuel rail fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's designed for LS7 Atomic AirForce intake manifolds, part numbers 2701, 27013, and 27014.\"}},{\"@type\":\"Question\",\"name\":\"What size fuel passage does this rail have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It has a 5\/8-inch diameter fuel passage for high-flow, high-horsepower applications.\"}},{\"@type\":\"Question\",\"name\":\"What fittings are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It includes (4) -6 to 3\/4-16 O-ring adapters; large -8 O-ring fittings are sold separately.\"}},{\"@type\":\"Question\",\"name\":\"Is a special tool needed for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, a GM 3\/8-inch quick-connect release tool is needed to disconnect the factory fuel line on applicable applications.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":42843638136880,"sku":"BCCX_2723","price":259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/2723_0119134.jpg?v=1773467654"}],"url":"https:\/\/berryperformancesales.com\/collections\/fuel-injection-fuel-rail-kit.oembed","provider":"Berry Performance Sales","version":"1.0","type":"link"}