{"product_id":"afr-big-block-chevy-magnum-cylinder-heads-300cc-112cc-3670","title":"AFR Big Block Chevy Magnum Cylinder Heads, 300cc Intake \/ 112cc Chamber, Assembled | 3670","description":"AFR's BBC Magnum cylinder heads are fully assembled, aluminum Big Block Chevy heads built with 300cc intake runners and 112cc combustion chambers. They ship as a matched pair ready to bolt on.\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: BBC Magnum\u003c\/li\u003e\n\u003cli\u003eCondition: Assembled\u003c\/li\u003e\n\u003cli\u003eIntake Valve: 2.300 in\u003c\/li\u003e\n\u003cli\u003eExhaust Valve: 1.880 in\u003c\/li\u003e\n\u003cli\u003eIntake Runner Volume: 300 cc\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber Volume: 112 cc\u003c\/li\u003e\n\u003cli\u003eSpring Diameter: 1.625 in\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eQuantity: Pair\u003c\/li\u003e\n\u003cli\u003ePart Number: 3670\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Block Chevy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engine platform does this cylinder head fit?\u003c\/h5\u003e\u003cp\u003eIt's built for the Big Block Chevy platform.\u003c\/p\u003e\u003ch5\u003eIs this head assembled or bare?\u003c\/h5\u003e\u003cp\u003eIt ships fully assembled, ready to install.\u003c\/p\u003e\u003ch5\u003eWhat size are the intake and exhaust valves?\u003c\/h5\u003e\u003cp\u003e2.300 in intake and 1.880 in exhaust valves.\u003c\/p\u003e\u003ch5\u003eWhat are the intake runner and chamber volumes?\u003c\/h5\u003e\u003cp\u003e300 cc intake runners and 112 cc combustion chambers.\u003c\/p\u003e\u003ch5\u003eHow many heads come in this listing?\u003c\/h5\u003e\u003cp\u003eIt's sold as a matched pair.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine platform does this cylinder head fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's built for the Big Block Chevy platform.\"}},{\"@type\":\"Question\",\"name\":\"Is this head assembled or bare?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It ships fully assembled, ready to install.\"}},{\"@type\":\"Question\",\"name\":\"What size are the intake and exhaust valves?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2.300 in intake and 1.880 in exhaust valves.\"}},{\"@type\":\"Question\",\"name\":\"What are the intake runner and chamber volumes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"300 cc intake runners and 112 cc combustion chambers.\"}},{\"@type\":\"Question\",\"name\":\"How many heads come in this listing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's sold as a matched pair.\"}}]}\u003c\/script\u003e","brand":"Air FLow Research","offers":[{"title":"Default Title","offer_id":41512997879856,"sku":"GBMK_3670","price":3830.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/AFR3670.jpg?v=1718022675","url":"https:\/\/berryperformancesales.com\/products\/afr-big-block-chevy-magnum-cylinder-heads-300cc-112cc-3670","provider":"Berry Performance Sales","version":"1.0","type":"link"}