{"product_id":"proflow-cylinder-heads-ls3-supermax-276-cnc-bare-holden-chev-aluminium-6-bolt-ls3-l76-l77-l92-l98-lsx-276cc-intake-70cc-chamber-pair-pfeahcls3-276-6bt-p","title":"Proflow Cylinder Heads, LS3 SuperMax 276 CNC, Bare, Holden, Chev Aluminium, (6-Bolt ) LS3\/L76\/L77\/L92\/L98\/LSX, 276cc Intake, 70cc Chamber,  Pair - PFEAHCLS3-276-6BT-P","description":"\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: PFEAHCLS3-276-6BT-P\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eProflow does not sacrifice quality for a low price- you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15° LS3 rectangle port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 275cc heads accept 2.165\" diameter intake valves and 1.60\" exhaust valves and have a 0.625\" deck thickness. Suits 6-bolt standard or LSX block designs.\u003c\/p\u003e\r\n\r\n\u003cdiv style=\"overflow-x:auto;\"\u003e\r\n\u003ctable align=\"center\" border=\"0\" cellpadding=\"5\" cellspacing=\"1\" style=\"margin:auto;width:500px;\"\u003e\r\n\t\u003ctbody\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\" style=\"text-align: center;\"\u003e\r\n\t\t\t\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eCombustion Chamber \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 70 cc\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eIntake Port Volume \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 276 cc\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eExhaust Port Volume \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 92 cc\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eExhaust Port Dimensions \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 1.47” (H) x 1.65” (W)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eSpark Plug Location \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e OEM\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eIntake Valve Diameter \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 2.165”\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eExhaust Valve Diameter \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 1.59”\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eValve Stem Diameter \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 8 mm\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eValve Spring Pocket ID \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 1.30”\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eValve Guide OD \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 0.502” (0.560” at base)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eMaximum Valve Lift \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 0.750”\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eRocker Stud Thread Size \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e OE LS3 Style\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eValve Angle \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 15°\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr style=\"background:#dddddd;\"\u003e\r\n\t\t\t\u003ctd style=\"text-align: right;\"\u003e\u003cstrong\u003eDeck Thickness \u003c\/strong\u003e\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e 0.625”\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003c\/div\u003e","brand":"Proflow","offers":[{"title":"Default Title","offer_id":46413315309795,"sku":"PFEAHCLS3-276-6BT-P","price":3022.7,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/PFEAHCLS3-276-6BT-P_512ff5dd-e386-44aa-aaad-6b6460bfa1d1.jpg?v=1775533876","url":"https:\/\/fastlanespares.co.nz\/products\/proflow-cylinder-heads-ls3-supermax-276-cnc-bare-holden-chev-aluminium-6-bolt-ls3-l76-l77-l92-l98-lsx-276cc-intake-70cc-chamber-pair-pfeahcls3-276-6bt-p","provider":"Fast Lane Spares","version":"1.0","type":"link"}