{"product_id":"crow-cams-4631","title":"Crow Cams Holden V8 304\/355 EFI Hydraulic — 4631","description":"\u003cp\u003e\u003cstrong\u003eHolden V8 304\/355 EFI Hydraulic — 4631\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHigh torque, fuel efficient cam that suits LPG applications. Will require tuning\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\u003e4631\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine \/ head family\u003c\/th\u003e\n\u003ctd\u003eHolden V8 with VN–VT-style cylinder heads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating range\u003c\/th\u003e\n\u003ctd\u003e2700 - 6000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdvertised duration — inlet \/ exhaust\u003c\/th\u003e\n\u003ctd\u003e263° \/ 269°\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° \/ 207°\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.430\" \/ .436\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLobe separation angle\u003c\/th\u003e\n\u003ctd\u003e112°\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. For flat-tappet installation, Crow recommends two bottles of ZDDP additive: one for run-in and one for the first oil change. Follow Crow’s current run-in procedure and the product dosing instructions.\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\u003e11701-16 — Square Groove 7deg Hardened Locks - Set of 16\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-4931-16\"\u003e4931-16\u003c\/a\u003e — Standard Replacement GM Springs - Set of 16\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crow-cams-gp304\"\u003eGP304\u003c\/a\u003e — Holden EFI V8 Guide Plates\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-11707-16\"\u003e11707-16\u003c\/a\u003e — Holden V8 \u0026amp; SBC Chrome Moly Retainers - Set of 16\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\u003cli\u003eZDDP-2 — Dura Cam ZDDP Oil Additive  - 2 pack\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-dg8\"\u003eDG8\u003c\/a\u003e — Holden V8 Distributor Gear\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\n\u003cli\u003eHolden Commodore Vn Vr 5 0 Efi V8\u003c\/li\u003e\n\u003cli\u003eHolden Commodore Vs 5 0 Efi V8\u003c\/li\u003e\n\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":43772548120643,"sku":"'4631","price":610.36,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/800x800-thumbnail-1661318660.4503_901b2d5b-cef7-4a36-a218-836a9752f5d5.jpg?v=1788857262","url":"https:\/\/builtbyboostandtune.com.au\/products\/crow-cams-4631","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}