{"product_id":"precision-race-components-cnc-ported-6-bolt-260cc-aftermarket-casting-ls3-heads-cam-package","title":"Precision Race Components CNC Ported 6-Bolt 260cc Aftermarket Casting LS3 Heads \u0026 Cam Package","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePrecision Race Components Aftermarket Casting 6-Bolt 260cc Fully CNC Ported LS3 Heads Assembled With Hollow-Stem Stainless Steel Valves as Standard, TSP Dual Valve Spring Kit with PAC Racing Springs \u0026amp; Titanium Retainers Good to .660\" Lift; Kit Also Includes TSP Hardened Pushrods \u0026amp; Your Choice Of TSP LS3 Camshaft!\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWhen selecting your camshaft, please keep in mind that the largest camshaft you can run on a factory LS2 or LS3 short-block is our 235\/248 camshaft! Anything larger will require you to cut valve reliefs in your pistons! All of our camshafts were designed on our SuperFlow 902 engine dyno on a factory LS3 engine, and the camshafts listed are our latest LS3 creations.  They were created, ground, and tested all in-house!  These camshafts are designed for maximum power on a stock LS2 or LS3 short-block without any piston-to-valve clearance issues.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e**You must have a minimum of a 4.00\" bore size to run these cylinder heads!** \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e  \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e***If you purchase a Melling oil pump you MUST use a single-roller timing set!  The Melling oil pump will not clear a double-roller timing set!***\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl00_lblName\"\u003eHollow Stem Intake \/ Inconel Exhaust\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl01_lblName\"\u003eTSP .660\" Dual Valve spring Kit Featuring PAC Springs w\/ Titanium Retainers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl02_lblName\"\u003eTSP Stage 2 N\/A LS3 229\/244, .629\/.615, 112 LSA Camshaft (25-TSP229244-112)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl03_lblName\"\u003e68cc (Standard)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl04_lblName\"\u003e7.550\" Pushrods (25-7550-1 x 16)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl05_lblName\"\u003eCloyes LS1\/LS2 Single-Roller Hex-A-Just w\/ Z06 Chain, 3-Bolt Cam (9-3158A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl06_lblName\"\u003eMelling High Pressure Oil Pump (122-MEL10295)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan id=\"ctl00_PageContent_rptSelectedKitItems_ctl07_lblName\"\u003eDo Not Include Rocker Arm Trunnion Upgrade Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ProductWarnings\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"Warning_prop-65\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Texas Speed","offers":[{"title":"Default Title","offer_id":39893953249464,"sku":"199-PKG14","price":3821.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0077\/1791\/2658\/products\/4013.png?v=1623869660","url":"https:\/\/www.outlawraceengines.com\/products\/precision-race-components-cnc-ported-6-bolt-260cc-aftermarket-casting-ls3-heads-cam-package","provider":"Outlaw Race Engines","version":"1.0","type":"link"}