{"product_id":"tsp-prc-237cc-cnc-ported-cathedral-port-cylinder-heads-pair-assembled","title":"TSP PRC 237cc CNC Ported Cathedral Port Cylinder Heads PAIR - Assembled","description":"\u003cp\u003e\u003cstrong\u003eTSP PRC 237cc CNC Ported Cathedral 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 all new cylinder head castings completed with 237cc runners. For 370 cubic inch and larger applications with 4.00\"+ bore sizing.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe all new 237cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. The new 237cc port has been flow bench tested to flow over 330cfm \u0026amp; can support everything from smaller camshaft street engines all the way to all our race engines. This cylinder head is a combination of a max effort high flowing port combined. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\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!!\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\u003e237cc Fully CNC Ported Intake Runners\u003c\/li\u003e\n\u003cli\u003e84cc Fully CNC Ported Exhaust Runners\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\u003e68cc CNC Machined Chambers\u003c\/li\u003e\n\u003cli\u003eCHE Bronze Guides\u003c\/li\u003e\n\u003cli\u003e2.100\" Hollow Stem Intake Valve \/ 1.600\" Stainless Exhaust Valves  \u003c\/li\u003e\n\u003cli\u003eFactory Rocker Friendly!!\u003c\/li\u003e\n\u003cli\u003eMinimum Bore Dia: 4.000\"\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\u003cstrong\u003e 237cc CNC Ported Flow Data (4.030\" Flow Plate - No Exhaust Pipe):\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.100\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e66 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e57 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\"\u003e147 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\"\u003e225 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e170 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\"\u003e284 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e206 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.500\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e325 cfm\u003c\/td\u003e\n\u003ctd\u003e227 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.600\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e334 cfm\u003c\/td\u003e\n\u003ctd\u003e235 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.650\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e339 cfm\u003c\/td\u003e\n\u003ctd\u003e241 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":45631221399750,"sku":"PRC-SS237SC","price":2949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2716\/4086\/files\/texas-speed-performance-tsp-prc-237cc-cnc-ported-cathedral-style-heads-pair-assembled-1227556665.png?v=1773785528","url":"https:\/\/www.glennsautoperformance.com\/products\/tsp-prc-237cc-cnc-ported-cathedral-port-cylinder-heads-pair-assembled","provider":"Glenn's Auto Performance","version":"1.0","type":"link"}