{"product_id":"tsp-prc-312cc-cnc-ported-lt1-style-6-bolt-cylinder-heads-pair-assembled","title":"TSP PRC 312cc CNC Ported LT1 Style 6-Bolt Cylinder Heads PAIR - Assembled","description":"\u003cp\u003e\u003cstrong\u003eTSP PRC 312cc CNC Ported LT1 Style 6-Bolt Cylinder Heads PAIR w\/ TSP .660\" Spring Kit and Titanium Retainers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003ePrecision Race Components (PRC) LT1 CNC 312cc ported cylinder heads.  All new 6-bolt Precision Race Components LT cylinder heads!\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eExtensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available! \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMADE IN THE USA!!\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCAST IN THE USA!!\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMACHINED IN THE USA!!\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e2.165\" Stainless Hollow stem Intake Valve \/ 1.600\" Stainless Exhaust Valve\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e3\/4\" Deck Thickness\u003c\/li\u003e\n\u003cli\u003eWill accept up to 1\/2\" Cylinder Head Hardware\u003c\/li\u003e\n\u003cli\u003eTSP .660 Spring Kit w\/ PAC Valve Springs \u0026amp; Titanium Retainers\u003c\/li\u003e\n\u003cli\u003e6-Bolt Cylinder Heads with Thicker Deck Surface\u003c\/li\u003e\n\u003cli\u003eCHE Bronze Guides\u003c\/li\u003e\n\u003cli\u003eWill Work on Both Standard GM 4-Bolt \u0026amp;  Aftermarket LT 6-Bolt Style Engine Blocks\u003c\/li\u003e\n\u003cli\u003eCompletely Assembled in the USA\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCylinder Head Specs:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIntake CC:    312cc\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIntake Valve: 2.165\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eExhaust Valve:1.600\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eChamber Size: 58cc \u003c\/span\u003e\u003c\/p\u003e\n\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\u003cstrong\u003e 312cc CNC Ported LT1 Heads Flow Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eIntake Flow\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eExhaust Flow\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.200\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e151 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e117 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.300\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e223 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e154 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.400\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e265 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e200 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.500\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e310 cfm\u003c\/td\u003e\n\u003ctd\u003e216 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.600\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e349 cfm\u003c\/td\u003e\n\u003ctd\u003e229 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.650\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e365 cfm\u003c\/td\u003e\n\u003ctd\u003e232 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.750\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e370 cfm\u003c\/td\u003e\n\u003ctd\u003e235 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Texas Speed \u0026 Performance","offers":[{"title":"Default Title","offer_id":45631278350534,"sku":"PRC-SSLT1","price":3083.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2716\/4086\/files\/texas-speed-performance-tsp-prc-312cc-cnc-ported-lt1-style-6-bolt-heads-pair-assembled-1227556664.png?v=1773785467","url":"https:\/\/www.glennsautoperformance.com\/products\/tsp-prc-312cc-cnc-ported-lt1-style-6-bolt-cylinder-heads-pair-assembled","provider":"Glenn's Auto Performance","version":"1.0","type":"link"}