{"product_id":"crow-cams-5840-12","title":"Crow Cams Dual Valve Springs - Nissan 6cyl","description":"\u003cp\u003e\u003cstrong\u003eDual Valve Springs - Nissan 6cyl — 5840-12\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDual valve springs listed for standard naturally aspirated RB30 applications and the Nissan TB42\/TB45 family.\u003c\/p\u003e\u003cp\u003eConfirm the spring requirements for the exact cam profile and check the installed height and pressures on the actual cylinder head. Retainers and locks are separate.\u003c\/p\u003e\u003cp\u003eBBT can help select the matching cam and valvetrain hardware. Measure clearances and follow the component installation instructions.\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\n\u003cli\u003eHolden Commodore VL — RB30E\u003c\/li\u003e\n\u003cli\u003eHolden Commodore VL — RB30ET\u003c\/li\u003e\n\u003cli\u003eNissan Patrol GQ\/Y60 — TB45\u003c\/li\u003e\n\u003cli\u003eNissan Patrol GU\/Y61 — TB45\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R32 — RB30\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R33 — RB30\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R34 — RB30\u003c\/li\u003e\n\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\u003eMeasure installed height and verify seat\/open pressure, coil-bind margin, retainer-to-seal clearance and guide\/seal clearance on the actual cylinder heads. Match the spring to the exact cam profile rather than selecting by engine family alone.\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-503000\"\u003eCrow Cams Nissan RB30 NA SOHC - Standard\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-4421458\"\u003eCrow Cams Nissan Patrol TB42\/TB45 6cyl — 4421458\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-442846\"\u003eCrow Cams Nissan Patrol TB42\/TB45 6cyl — 442846\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-442846-13\"\u003eCrow Cams Nissan Patrol TB42\/TB45 6cyl — 442846-13\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-442867\"\u003eCrow Cams Nissan Patrol TB42\/TB45 6cyl — 442867\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crow-cams-442000\"\u003eCrow Cams Nissan Patrol TB42 Standard Replacement\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\n\u003cli\u003eHolden Commodore Vl Rb30E\u003c\/li\u003e\n\u003cli\u003eHolden Commodore Vl Rb30Et\u003c\/li\u003e\n\u003cli\u003eNissan Patrol Gq Y60 Tb42\u003c\/li\u003e\n\u003cli\u003eNissan Patrol Gq Y60 Tb45\u003c\/li\u003e\n\u003cli\u003eNissan Patrol Gu Y61 Tb45\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R32 Rb30\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R33 Rb30\u003c\/li\u003e\n\u003cli\u003eNissan Skyline R34 Rb30\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":43784378810435,"sku":"5840-12","price":268.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/500x500-thumbnail-1661319965.DSC_7425.jpg?v=1788986438","url":"https:\/\/builtbyboostandtune.com.au\/products\/crow-cams-5840-12","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}