{"title":"BTR LS Rockers \u0026 Valvetrain","description":"\u003cp\u003e\u003cstrong\u003eBrian Tooley Racing LS rocker and valvetrain hardware\u003c\/strong\u003e including LS3 shaft rockers, trunnion upgrades, dual valve springs and chromoly pushrods.\u003c\/p\u003e\u003cp\u003eConfirm cylinder-head family, rocker geometry, spring load, pushrod length and intended camshaft before ordering. Built by Boost \u0026amp; Tune can assist with complete valvetrain specification and workshop installation.\u003c\/p\u003e\u003ch2\u003eChoose the right valvetrain component\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"\/products\/harrop-btr-ls3-shaft-rocker-kit\"\u003eBTR LS3 shaft rocker kit\u003c\/a\u003e and \u003ca href=\"\/products\/harrop-btr-v2-rocker-arm-trunnion-upgrade-kit\"\u003eBTR V2 trunnion upgrade kit\u003c\/a\u003e serve different rocker arrangements. Check the individual listing before choosing a complete rocker system or an upgrade for compatible existing rocker arms.\u003c\/p\u003e\u003cp\u003eReview the \u003ca href=\"\/products\/harrop-btr-platinum-ls-dual-spring-kit\"\u003eBTR Platinum LS dual spring kit\u003c\/a\u003e against your camshaft and cylinder-head requirements. The listed \u003ca href=\"\/products\/harrop-btr-chromoly-pushrods-7400\"\u003e7.400-inch BTR chromoly pushrods\u003c\/a\u003e require the correct measured pushrod length for your assembly.\u003c\/p\u003e\u003cp\u003ePlanning a camshaft change? Compare \u003ca href=\"\/collections\/btr-ls-camshafts-cam-kits\"\u003eBTR LS camshafts and cam kits\u003c\/a\u003e and check kit contents before adding individual springs or pushrods.\u003c\/p\u003e","products":[{"product_id":"harrop-btr-platinum-ls-dual-spring-kit","title":"BTR Platinum LS Dual Spring Kit | Titanium Retainers","description":"\u003ch2\u003eBTR Platinum LS Dual Spring Kit | Titanium Retainers\u003c\/h2\u003e\n\u003cp\u003eBrian Tooley Racing dual valve-spring package for performance LS valvetrain applications.\u003c\/p\u003e\n\u003cp\u003eThe BTR Platinum spring package is intended for higher-lift \/ higher-RPM camshaft combinations and uses titanium retainers to reduce valvetrain mass.\u003c\/p\u003e\n\u003cp\u003eInstalled height, coil-bind clearance, retainer-to-seal clearance and camshaft lift must be checked during assembly.\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eUse the vehicle finder to confirm the exact make, model, chassis and engine application.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConfirm exact chassis, engine, drivetrain, production year and selected configuration before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated range:\u003c\/strong\u003e \u003ca href=\"\/collections\/brian-tooley-racing-ls-performance-parts\"\u003eBrowse Brian Tooley Racing BTR LS performance parts\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMatch your LS valvetrain\u003c\/h2\u003e\u003cp\u003eBrowse \u003ca href=\"\/collections\/btr-ls-rockers-valvetrain\"\u003eBTR LS rockers and valvetrain parts\u003c\/a\u003e to compare the available component types. Match the part to your cylinder heads, camshaft and measured assembly requirements.\u003c\/p\u003e\u003cp\u003eIf you are planning a cam change, compare \u003ca href=\"\/collections\/btr-ls-camshafts-cam-kits\"\u003eBTR LS camshafts and cam kits\u003c\/a\u003e and check the included parts before ordering supporting hardware separately.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":43686866714691,"sku":"BTR-SK001\/T\/0560\/BB","price":660.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/cam_kits_2_of_3__1-1024x1024.jpg?v=1787095833"},{"product_id":"harrop-btr-ls3-shaft-rocker-kit","title":"BTR LS3 Shaft Rocker Kit with BTR Rocker Arms","description":"\u003ch2\u003eBTR LS3 Shaft Rocker Kit with BTR Rocker Arms\u003c\/h2\u003e\n\u003cp\u003eBTR shaft-mounted rocker system for compatible LS3-style valvetrain applications.\u003c\/p\u003e\n\u003cp\u003eA shaft-rocker arrangement improves rocker stability and alignment in higher-demand valvetrain combinations. Pushrod length, rocker geometry, valve-spring load and piston-to-valve clearance must be verified for the final engine.\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e\u003ch2\u003eBrand\u003c\/h2\u003e\u003cp\u003eBrian Tooley Racing\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Camaro 5TH Gen LS3\u003c\/li\u003e\n\u003cli\u003eChevrolet Corvette C6 LS3\u003c\/li\u003e\n\u003cli\u003eHolden Commodore VE LS3\u003c\/li\u003e\n\u003cli\u003eHolden Commodore VF Vfii LS3\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eRelated range:\u003c\/strong\u003e \u003ca href=\"\/collections\/brian-tooley-racing-ls-performance-parts\"\u003eBrowse Brian Tooley Racing BTR LS performance parts\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMatch your LS valvetrain\u003c\/h2\u003e\u003cp\u003eBrowse \u003ca href=\"\/collections\/btr-ls-rockers-valvetrain\"\u003eBTR LS rockers and valvetrain parts\u003c\/a\u003e to compare the available component types. Match the part to your cylinder heads, camshaft and measured assembly requirements.\u003c\/p\u003e\u003cp\u003eIf you are planning a cam change, compare \u003ca href=\"\/collections\/btr-ls-camshafts-cam-kits\"\u003eBTR LS camshafts and cam kits\u003c\/a\u003e and check the included parts before ordering supporting hardware separately.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":43686866944067,"sku":"BTR-SRKR3KITASM","price":875.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/btrsrkr3kitasmbtr_1_of_1__1.jpg?v=1787095829"},{"product_id":"harrop-btr-v2-rocker-arm-trunnion-upgrade-kit","title":"BTR V2 Rocker Arm Trunnion Upgrade Kit | GM LS","description":"\u003ch2\u003eBTR V2 Rocker Arm Trunnion Upgrade Kit | GM LS\u003c\/h2\u003e\n\u003cp\u003eBrian Tooley Racing V2 rocker-arm trunnion upgrade for compatible factory-style GM LS rocker arms.\u003c\/p\u003e\n\u003cp\u003eThe upgrade is intended to improve durability and serviceability of the OEM-style rocker assembly. Correct pressing\/assembly procedure and final rocker inspection are required.\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eUse the vehicle finder to confirm the exact make, model, chassis and engine application.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConfirm exact chassis, engine, drivetrain, production year and selected configuration before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated range:\u003c\/strong\u003e \u003ca href=\"\/collections\/brian-tooley-racing-ls-performance-parts\"\u003eBrowse Brian Tooley Racing BTR LS performance parts\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMatch your LS valvetrain\u003c\/h2\u003e\u003cp\u003eBrowse \u003ca href=\"\/collections\/btr-ls-rockers-valvetrain\"\u003eBTR LS rockers and valvetrain parts\u003c\/a\u003e to compare the available component types. Match the part to your cylinder heads, camshaft and measured assembly requirements.\u003c\/p\u003e\u003cp\u003eIf you are planning a cam change, compare \u003ca href=\"\/collections\/btr-ls-camshafts-cam-kits\"\u003eBTR LS camshafts and cam kits\u003c\/a\u003e and check the included parts before ordering supporting hardware separately.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":43686867238979,"sku":"BTR-TK002NB","price":279.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/1-1024x1024_b75728f0-7b73-4b53-a8a5-dc13782ed35c.jpg?v=1787089575"},{"product_id":"harrop-btr-chromoly-pushrods-7400","title":"BTR Chromoly Pushrod Set | 7.400in x 5\/16in | GM LS","description":"\u003ch2\u003eBTR Chromoly Pushrod Set | 7.400 in × 5\/16 in | GM LS\u003c\/h2\u003e\n\u003cp\u003eBrian Tooley Racing one-piece chromoly pushrod set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal length: 7.400 inch\u003c\/li\u003e\n\u003cli\u003eDiameter: 5\/16 inch\u003c\/li\u003e\n\u003cli\u003eApplication: compatible GM LS valvetrain combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePushrod length must always be checked from the actual engine's lifter preload and rocker geometry rather than assumed from nominal size.\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eUse the vehicle finder to confirm the exact make, model, chassis and engine application.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConfirm exact chassis, engine, drivetrain, production year and selected configuration before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated range:\u003c\/strong\u003e \u003ca href=\"\/collections\/brian-tooley-racing-ls-performance-parts\"\u003eBrowse Brian Tooley Racing BTR LS performance parts\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMatch your LS valvetrain\u003c\/h2\u003e\u003cp\u003eBrowse \u003ca href=\"\/collections\/btr-ls-rockers-valvetrain\"\u003eBTR LS rockers and valvetrain parts\u003c\/a\u003e to compare the available component types. Match the part to your cylinder heads, camshaft and measured assembly requirements.\u003c\/p\u003e\u003cp\u003eIf you are planning a cam change, compare \u003ca href=\"\/collections\/btr-ls-camshafts-cam-kits\"\u003eBTR LS camshafts and cam kits\u003c\/a\u003e and check the included parts before ordering supporting hardware separately.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":43686867271747,"sku":"BTR-PR7400312","price":240.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/single_pushrod_1_of_1__9-1024x1024.jpg?v=1787089581"}],"url":"https:\/\/builtbyboostandtune.com.au\/collections\/btr-ls-rockers-valvetrain.oembed","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}