{"product_id":"tsp-prc-260cc-ls3-style-6-bolt-heads-pair-assembled","title":"TSP PRC 260cc CNC Ported LS3 Style 6-Bolt Heads PAIR - Assembled","description":"\u003cp\u003e\u003cstrong\u003eTSP PRC 260cc CNC Ported LS3\/LS2\/L99 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\u003eAll Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePRC cylinder heads are extensively researched and tested. These aftermarket LS3 castings flow significantly more than a GM ported casting while keeping port sizes smaller for improved port velocity. The result is smaller-than-stock LS3 ports that move more air than any other LS3 cylinder heads.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 13-degree valve angle allows higher compression and larger camshafts thanks to additional piston-to-valve clearance.\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\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\u003eNEW PRC 13-Degree Valve Angle LS3 Castings\u003c\/li\u003e\n\u003cli\u003eImproved piston-to-valve clearance for extra compression \u0026amp; larger camshafts\u003c\/li\u003e\n\u003cli\u003eSmaller than stock intake port volume for improved port velocity\u003c\/li\u003e\n\u003cli\u003eFully CNC'd Intake, Exhaust and Chamber\u003c\/li\u003e\n\u003cli\u003e3\/4\" Deck Thickness\u003c\/li\u003e\n\u003cli\u003eWill accept up to 1\/2\" Cylinder Head Hardware\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless steel hollow stem 2.185\" intake valves \u0026amp; stainless steel 1.60\" exhaust valves\u003c\/li\u003e\n\u003cli\u003eIntegrated rocker pedestals\u003c\/li\u003e\n\u003cli\u003eTSP .660\" Spring Kit with PAC Valve Springs \u0026amp; Titanium Retainers\u003c\/li\u003e\n\u003cli\u003eCHE Bronze Guides\u003c\/li\u003e\n\u003cli\u003eCompletely assembled in the USA\u003c\/li\u003e\n\u003cli\u003e68cc combustion chambers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum Bore Dia 4.000\"\u003cbr\u003e\n\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 260cc 6-Bolt LS3 Flow Data\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.200\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e157 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\"\u003e224 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\"\u003e279 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e205 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\"\u003e329 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e225 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.600\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e360 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\"\u003e372 cfm\u003c\/td\u003e\n\u003ctd\u003e240 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.700\"\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e380 cfm\u003c\/td\u003e\n\u003ctd\u003e243 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":45631190270150,"sku":"PRC-SS260LS3","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-260cc-ls3-style-6-bolt-heads-pair-assembled-1227546340.png?v=1773778088","url":"https:\/\/www.glennsautoperformance.com\/products\/tsp-prc-260cc-ls3-style-6-bolt-heads-pair-assembled","provider":"Glenn's Auto Performance","version":"1.0","type":"link"}