{"product_id":"holley-holley-single-plane-split-design-race-intake-manifold-gm-ls1-ls2-ls6-black-300-256bk","title":"Holley Single Plane Split-Design Race Intake Manifold- GM LS1\/LS2\/LS6- Black Carbureted Single Plane Split-Design Race Intake Manifold Fits All GM LS Gen III or IV Engines Equipped with LS1\/LS2\/LS6 Style Cathedral Port Cylinder Heads Holley 300-256BK","description":"\u003cp\u003e? Carburetor Flange - Standard 4150 for up to 1-3\/4 inch diameter throttle bores The Ls Race single-plane intake manifold was designed for hi-performance\/racing engine applications, 5.3 to 6.2+ liter displacement, and maximum engine speeds of 6000-7000 rpm, depending on the engine combination.\u003c\/p\u003e\u003cp\u003eThis single-plane design provides optimal performance across the RPM spectrum while providing maximum performance up to 7000 rpm. The new Holley Single-Plane Race intake manifold were designed with performance in mind.\u003c\/p\u003e\u003cp\u003eThey feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit Gm Ls Gen Iii engines with cathedral port heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI.\u003c\/p\u003e\u003cp\u003eTechnical Data: ? A-B Height - 7.32 inch (0 carb flange angle) ?\u003c\/p\u003e\u003cp\u003ePort Size- 3.28 inch Height x 1.10 inch Wide The Holley Ls Race manifold incorporates a split feature, which allows disassembly of the intake for direct access to internal plenum and port surfaces, making custom porting and matching a snap. With shoulder bolt locators and O-ring seal, reassembly is simple and precise.\u003c\/p\u003e\u003cp\u003e? As-Cast Runner Cross-Sectional Area - 3.5 in2 at the runner entry tapered to 2.9 in2 at the flange exit\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures and Benefits:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBlack Finish Split feature making porting efforts easy! Captured O-ring seals at head ports and split Vacuum Port options include (2) 1\/8, (1) 1\/4, and (1) 3\/8, NPT ports at the carb flange Maximum performance race design with hood clearance consideration 33 to 50 percent the price of other split race intakes Lighter than other split race intakes\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBarrel Quantity: 4.0\u003c\/li\u003e\n\u003cli\u003eBasic Operating RPM Range: 3500-8000 RPM\u003c\/li\u003e\n\u003cli\u003eCnc Ported: No\u003c\/li\u003e\n\u003cli\u003eCarburetor Flange: Square\/4150\u003c\/li\u003e\n\u003cli\u003eCarburetor Quantity: 1.0\u003c\/li\u003e\n\u003cli\u003eCarburetor Studs Included: No\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eConstruction: Cast\u003c\/li\u003e\n\u003cli\u003eCylinder Head Port Shape: Cathedral\u003c\/li\u003e\n\u003cli\u003eDeck Height: 9.24 Inch\u003c\/li\u003e\n\u003cli\u003eEgr Port: No\u003c\/li\u003e\n\u003cli\u003eEngine: Gm LS1\/LS2\/LS6\u003c\/li\u003e\n\u003cli\u003eFlange Style: 4150 Square Bore\u003c\/li\u003e\n\u003cli\u003eFront Maximum Height: 7.32 Inch\u003c\/li\u003e\n\u003cli\u003eFuel Injectors Included: No\u003c\/li\u003e\n\u003cli\u003eFuel Rail(s) Included: No\u003c\/li\u003e\n\u003cli\u003eFuel System Type: Carb\u003c\/li\u003e\n\u003cli\u003eGasket Or Seal Included: No\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eIntake Port Gasket(s) Included: No\u003c\/li\u003e\n\u003cli\u003eManifold Type: Split Single Plane\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eNitrous Bung(s) Included: No\u003c\/li\u003e\n\u003cli\u003ePlenum Finish: Black\u003c\/li\u003e\n\u003cli\u003eRear Maximum Height: 7.32 Inch\u003c\/li\u003e\n\u003cli\u003eRecommended Use: Forced Induction\u003c\/li\u003e\n\u003cli\u003eRemovable Runners: No\u003c\/li\u003e\n\u003cli\u003eRemovable Top\/Lid: No\u003c\/li\u003e\n\u003cli\u003eSingle Or Dual Plane Type: Single Plane\u003c\/li\u003e\n\u003cli\u003eThrottle Body Bore Diameter: 3.6\u003c\/li\u003e\n\u003cli\u003eThrottle Body Gasket Included: No\u003c\/li\u003e\n\u003cli\u003eThrottle Body Included: No\u003c\/li\u003e\n\u003cli\u003eVacuum Ports: Yes\u003c\/li\u003e\n\u003cli\u003eWarranty: Manufacturer's Limited 90 Day Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003eHolley Single Plane Split-Design Race Intake Manifold- GM LS1\/LS2\/LS6- Black Carbureted Single Plane Split-Design Race Intake Manifold Fits All GM LS Gen III or IV Engines Equipped with LS1\/LS2\/LS6 Style Cathedral Port Cylinder Heads Holley 300-256BK\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e90127052358\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":42855132430384,"sku":"BBVL_300-256BK","price":749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/300-256bk_0119150.jpg?v=1773963899","url":"https:\/\/berryperformancesales.com\/products\/holley-holley-single-plane-split-design-race-intake-manifold-gm-ls1-ls2-ls6-black-300-256bk","provider":"Berry Performance Sales","version":"1.0","type":"link"}