{"product_id":"tsp-prc-as-cast-225cc-ls1-ls2-cathedral-port-cylinder-heads-pair-assembled","title":"TSP PRC As-Cast 225cc LS1\/LS2 Cathedral Port Cylinder Heads PAIR - Assembled","description":"\u003cp\u003e\u003cstrong\u003eTSP PRC As-Cast 225cc LS1\/LS2 Style Cathedral Port 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\u003cspan\u003ePrecision Race Components (PRC) all new as-cast cylinder heads completed with CNC machined chambers \u0026amp; valve guides. For  LS1\/LS2 applications requiring a high flow aftermarket cylinder head at a unbelievable price!\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe all new PRC 225cc As-Cast cylinder heads are finally available for customers looking for the ultimate as-cast cathedral LS heads available.  The new PRC as-cast intake port has been flow bench tested to flow over 320cfm \u0026amp; can support everything from smaller camshaft street engines all the way to all out race engines. This cylinder head is a combination of a max-effort, high-flowing port combined with a smaller chamber designed for max power in stock cube applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\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!!\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\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\u003e\u003cspan\u003eAs-Cast 225cc Intake Runners With CNC Machined Chambers \u0026amp; Valve Guides For Unmatched Flow!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eSmall Bore Configurations for extra compression applications while keeping good piston to valve clearance\u003c\/li\u003e\n\u003cli\u003e62cc CNC Machined Chambers\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\u003e2.065\" Hollow Stem Intake Valves \/ 1.600\" Stainless Exhaust Valves\u003c\/li\u003e\n\u003cli\u003eUtilizes Factory LS1 Rocker Arms\u003c\/li\u003e\n\u003cli\u003eTSP .660 Dual Spring Kit w\/ PAC Valve Springs and Titanium Retainers!\u003c\/li\u003e\n\u003cli\u003eMinimum Bore Dia 3.820\"\u003c\/li\u003e\n\u003c\/ul\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\n\u003cstrong\u003e As-Cast 225cc Flow Data (4.00\" Flow Plate - No Exhaust Pipe):\u003c\/strong\u003e\u003cbr\u003e\n\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.100\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e68 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e56 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.200\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e145 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e113 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\"\u003e210 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e164 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\"\u003e257 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e200 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.500\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e300 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e214 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.600\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e318 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\"\u003e321 cfm\u003c\/td\u003e\n\u003ctd\u003e230 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":45631168807110,"sku":"PRC-SSAsCast225","price":2299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2716\/4086\/files\/texas-speed-performance-tsp-prc-as-cast-225cc-ls1-ls2-cathedral-heads-pair-assembled-1227546341.png?v=1773778147","url":"https:\/\/www.glennsautoperformance.com\/products\/tsp-prc-as-cast-225cc-ls1-ls2-cathedral-port-cylinder-heads-pair-assembled","provider":"Glenn's Auto Performance","version":"1.0","type":"link"}