{"product_id":"crow-cams-59031","title":"Crow Cams Holden V8 253-308 Hydraulic Roller — 59031","description":"\u003cp\u003e\u003cstrong\u003eHolden V8 253-308 Hydraulic Roller — 59031\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHigh torque roller cam with excellent low range power.\u003c\/p\u003e\u003ch3\u003eCamshaft specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier part number\u003c\/th\u003e\n\u003ctd\u003e59031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine \/ head family\u003c\/th\u003e\n\u003ctd\u003eHolden 253–308 with early cylinder heads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating range\u003c\/th\u003e\n\u003ctd\u003e1200 - 4000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdvertised duration — inlet \/ exhaust\u003c\/th\u003e\n\u003ctd\u003e254° \/ 260°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuration at 0.050 inch — inlet \/ exhaust\u003c\/th\u003e\n\u003ctd\u003e202° \/ 208°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve lift at 1.65 rocker ratio — inlet \/ exhaust\u003c\/th\u003e\n\u003ctd\u003e.500'' \/ .500''\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLobe separation angle\u003c\/th\u003e\n\u003ctd\u003e110°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHot lash — inlet \/ exhaust\u003c\/th\u003e\n\u003ctd\u003eHYD \/ HYD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSupplied contents\u003c\/h3\u003e\u003cp\u003eOne camshaft. Lifters, springs, retainers, locks, seals and drive hardware are separate unless expressly included in an agreed package.\u003c\/p\u003e\u003ch3\u003eProfile-specific fitting requirements\u003c\/h3\u003e\u003cp\u003ePerformance valve springs are required. Performance spring retainers are required. Fitting the specified hardware requires machining. Measure the assembled valvetrain geometry before selecting pushrod length. For an automatic transmission, Crow specifies converter stall at or above the lower end of the cam’s operating range. Fit the \u003ca href=\"\/products\/crow-cams-dg4\"\u003eDG4\u003c\/a\u003e oil-pump gear.\u003c\/p\u003e\u003ch3\u003eCompanion parts listed for this profile\u003c\/h3\u003e\u003cp\u003eThese are separate supporting components and may include alternative spring or hardware choices. BBT can check which combination is required; do not order every listed option as one package.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-crhl8167\"\u003eCRHL8167\u003c\/a\u003e — Holden V8 Roller Rockers\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-4845-16\"\u003e4845-16\u003c\/a\u003e — Single Valve Springs with Damper - Set of 16\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-gp308\"\u003eGP308\u003c\/a\u003e — Holden V8 253-308 Guide Plates\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-5208hr\"\u003e5208HR\u003c\/a\u003e — Johnson Holden V8 Hydraulic Roller Lifters 2616HNR-16\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-4133-16\"\u003e4133-16\u003c\/a\u003e — Square Groove Std Height Machined Valve Locks - Set of 16 pairs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-cs8308\"\u003eCS8308\u003c\/a\u003e — Holden V8 Timing Chain Set\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-11717-16\"\u003e11717-16\u003c\/a\u003e — Holden V8 Chrome Moly retainers for single spring - Set of 16\u003c\/li\u003e\n\u003cli\u003eKG819V-16 — Holden Viton O-Ring Valve Stem Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-dg4\"\u003eDG4\u003c\/a\u003e — Holden V8 Oil Pump Gear\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-cst100940\"\u003eCST100940\u003c\/a\u003e — Rocker Studs 7\/16\" Heads to 7\/16\" Rocker\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact BBT for any companion part without a product link.\u003c\/p\u003e\u003ch3\u003eInstallation and BBT support\u003c\/h3\u003e\u003cp\u003eConfirm the actual engine capacity, cylinder-head design and induction system before ordering. The installer must check cam timing, piston-to-valve clearance, spring installed height, coil bind, retainer-to-seal clearance, pushrod length and rocker geometry. Hydraulic preload or mechanical lash must match the selected profile. BBT can help assemble the engine-specific package and arrange installation and calibration.\u003c\/p\u003e\u003ch2\u003eProduct System\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eEngine Parts\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eHolden Torana Lh Uc\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eConfirm chassis, engine, drivetrain and production-year compatibility before ordering.\u003c\/p\u003e","brand":"Crow Cams","offers":[{"title":"Default Title","offer_id":43772559425603,"sku":"'59031","price":945.81,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/800x800-thumbnail-1661318683.51719_689caae6-b729-4684-9193-dfde6759116e.jpg?v=1788857901","url":"https:\/\/builtbyboostandtune.com.au\/products\/crow-cams-59031","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}