{"product_id":"crow-cams-gp308","title":"Crow Cams Holden V8 253-308 Guide Plates","description":"\u003cp\u003e\u003cstrong\u003eHolden V8 253-308 Guide Plates — GP308\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEight guide plates for early-head Holden 253–308 engines using 5\/16-inch pushrods. They are intended for the corresponding stud-mounted roller-rocker conversion.\u003c\/p\u003e\u003cp\u003eThe early-head application is distinct from \u003ca href=\"\/products\/crow-cams-gp304\"\u003eGP304\u003c\/a\u003e, which is listed for the VN EFI head arrangement.\u003c\/p\u003e\u003ch3\u003eApplications and compatibility\u003c\/h3\u003e\u003cp\u003eThis part is listed for the following engine and vehicle applications where the Crow camshaft or valvetrain package calls for this exact part number:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHolden Torana LH–UC — V8 applications\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eCompatibility is still determined by the complete cylinder-head and camshaft combination; vehicle model alone is not a substitute for checking the required spring, retainer, lock, lifter and rocker setup.\u003c\/p\u003e\u003ch3\u003eInstallation checks\u003c\/h3\u003e\u003cp\u003eConfirm pushrod diameter, stud size, rocker geometry and cylinder-head machining before installation. Align every guide plate so the rocker tip remains correctly positioned on the valve throughout the lift cycle.\u003c\/p\u003e\u003ch3\u003eAssociated Crow camshaft listings on BBT\u003c\/h3\u003e\u003cp\u003eThis component is called up by Crow on applicable camshaft packages including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-5666-8\"\u003eCrow Cams Holden V8 253-308 Hydraulic - Tough Idle — 5666-8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-5689-6\"\u003eCrow Cams Holden V8 253-308 Hydraulic - Tough Idle — 5689-6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-51315-8\"\u003eCrow Cams Holden V8 253-308 Hydraulic Roller — 51315-8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-51330\"\u003eCrow Cams Holden V8 253-308 Hydraulic Roller — 51330\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-51433\"\u003eCrow Cams Holden V8 253-308 Hydraulic Roller — 51433\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-51435-8\"\u003eCrow Cams Holden V8 253-308 Hydraulic Roller — 51435-8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe list above is representative rather than universal. Use the recommendation table on the exact camshaft page or contact BBT with the cam part number before ordering a complete valvetrain package.\u003c\/p\u003e\u003ch3\u003eOrdering and BBT support\u003c\/h3\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can help confirm the correct Crow camshaft, springs, retainers, locks, lifters, rockers, timing components and supporting hardware as one compatible package. For modified cylinder heads, non-standard valves or an unknown existing combination, provide the engine specification and measured valvetrain details before ordering.\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":43784355184707,"sku":"GP308","price":92.82,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/500x500-thumbnail-1765853804.GP308.png?v=1788985841","url":"https:\/\/builtbyboostandtune.com.au\/products\/crow-cams-gp308","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}