{"product_id":"comp-cams-1981-16-max-lift-bsr-shaft-rocker-system-for-gm-ls1-ls2-ls6","title":"COMP Cams 1981-16 Max-Lift BSR Shaft Rocker System for GM LS1, LS2, LS6","description":"COMP Cams is proud to announce another industry first: a bolt-in-ready Bushed Shaft Rocker System for GM LS engines. Thanks to innovative engineering, this patent pending Bushed Shaft Rocker System increases valve train stability and durability while decreasing deflection and providing bolt-in convenience for LS1, LS3 and LS7 cylinder heads. The COMP Cams Bushed Shaft Rocker System improves valve train stability and durability by securing all eight rocker arms onto a single rocker shaft. Thin tri-layer rocker arm bushings reduce rocker arm deflection and eliminate the high Hertz loading that can occur in needle bearing equipped rockers. Reduced rocker deflection increases valve train stiffness, ensuring that your LS is more efficient and durable under high loads. COMP Cams engineers worked to ensure long-term valve train durability by perfecting rocker to valve stem geometry and provisioning for supplementary pressurized oiling via threaded ends on the rocker shafts. Additionally, each rocker shaft is Plasma Nitrided, further increasing the system’s durability even when used with aggressive solid roller valve trains. The COMP Cams Bushed Shaft Rocker System for GM LS delivers high-level valve train stability, precise fitment, truer valve train geometry and increased load-bearing capacity in a package that is ready to bolt in that requires no machine work.\u003ch5\u003eResources\u003c\/h5\u003e\u003cstrong\u003e\u003ca href=\"http:\/\/digital-assets.partshub.com\/BDQQ\/6ffc131a24f36.pdf\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003ch5\u003eSpecifications:\u003c\/h5\u003e\u003cbr\u003e\u003ctable class=\"descr-table\" border=\"0\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmazon ASIN\u003c\/td\u003e\n\u003ctd\u003eB07MRBRT7X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt\/Stud Size\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. E.O. Number\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/td\u003e\n\u003ctd\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/td\u003e\n\u003ctd\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/td\u003e\n\u003ctd\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/td\u003e\n\u003ctd\u003eYes, but must be a race\/competition only vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.A.R.B. Exemption Reason\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalifornia Proposition 65\u003c\/td\u003e\n\u003ctd\u003eWARNING: Cancer and Reproductive Harm P65Warnings.ca.gov\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClears Factory Valve Cover?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ASC\u003c\/td\u003e\n\u003ctd\u003eSee 1982-16 for LS3\/L92.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ASC\u003c\/td\u003e\n\u003ctd\u003eSee 1983-16 for LS7.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ASM\u003c\/td\u003e\n\u003ctd\u003eBuick: Allure 08 - 09 5.3 L Engine, Buick: LaCrosse 08 - 09 5.3 L Engine, Buick: Rainier 04 - 07 5.3 L Engine, Cadillac: Escalade 02 - 05 5.3 L Engine, Cadillac: Escalade 09 - 13 6 L Engine, Chevrolet: Avalanche 07 - 13 5.3 L Engine, Chevrolet: Avalanche 1500 02 - 06 5.3 L Engine, Chevrolet: Cheyenne 07 - 16 5.3 L Engine, Chevrolet: Colorado 09 - 12 5.3 L Engine, Chevrolet: Corvette 05 - 07 6 L Engine, Chevrolet: Express 1500 03 - 07 5.3 L Engine, Chevrolet: Express 2500 10 - 17 4.8 L Engine, Chevrolet: Express 2500 03 - 05 5.3 L Engine, Chevrolet: Express 2500 10 - 19 6 L Engine, Chevrolet: Express 3500 10 - 17 4.8 L Engine, Chevrolet: Express 3500 03 - 05 5.3 L Engine, Chevrolet: Express 3500 10 - 19 6 L Engine, Chevrolet: Express Cargo 17 - 17 6 L Engine, Chevrolet: Express Pasajeros 17 - 18 6 L Engine, Chevrolet: Impala 06 - 09 5.3 L Engine, Chevrolet: LCF 3500 16 - 17 6 L Engine, Chevrolet: Monte Carlo 06 - 07 5.3 L Engine, Chevrolet: SSR 03 - 04 5.3 L Engine, Chevrolet: Silverado 1500 10 - 13 4.8 L Engine, Chevrolet: Silverado 1500 99 - 13 5.3 L Engine, Chevrolet: Silverado 1500 09 - 13 6 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 5.3 L Engine, Chevrolet: Silverado 2500 99 - 16 5.3 L Engine, Chevrolet: Silverado 2500 HD 10 - 19 6 L Engine, Chevrolet: Silverado 3500 15 - 18 6 L Engine, Chevrolet: Silverado 3500 HD 10 - 19 6 L Engine, Chevrolet: Suburban 14 - 16 5.3 L Engine, Chevrolet: Suburban 16 - 18 6 L Engine, Chevrolet: Suburban 1500 00 - 14 5.3 L Engine, Chevrolet: Suburban 2500 10 - 13 6 L Engine, Chevrolet: Suburban 3500 HD 16 - 19 6 L Engine, Chevrolet: Tahoe 00 - 14 5.3 L Engine, Chevrolet: Tahoe 08 - 13 6 L Engine, Chevrolet: Trailblazer 06 - 08 5.3 L Engine, Chevrolet: Trailblazer EXT 03 - 06 5.3 L Engine, GMC: Canyon 09 - 12 5.3 L Engine, GMC: Envoy 05 - 09 5.3 L Engine, GMC: Envoy XL 03 - 06 5.3 L Engine, GMC: Envoy XUV 04 - 05 5.3 L Engine, GMC: Savana 1500 03 - 07 5.3 L Engine, GMC: Savana 2500 10 - 17 4.8 L Engine, GMC: Savan...\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DEF\u003c\/td\u003e\n\u003ctd\u003eEngine Rocker Arm and Shaft Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DES\u003c\/td\u003e\n\u003ctd\u003eMax-Lift BSR Shaft Rocker System for GM LS1, LS2, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_EXT\u003c\/td\u003e\n\u003ctd\u003eThis pair of Max-Lift BSR Shaft Mount Rockers for Cathedral Port LS engines is a bolt-in rocker upgrade that requires no machine work to install. Clears factory valve covers while greatly increasing valvetrain rigidity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_INV\u003c\/td\u003e\n\u003ctd\u003eLS1\/2\/6 Shaft Rockers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_KEY\u003c\/td\u003e\n\u003ctd\u003eGM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_MKT\u003c\/td\u003e\n\u003ctd\u003eCOMP Cams is proud to announce another industry first: a bolt-in-ready Bushed Shaft Rocker System for GM LS engines. Thanks to innovative engineering, this patent pending Bushed Shaft Rocker System increases valve train stability and durability while decreasing deflection and providing bolt-in convenience for LS1, LS3 and LS7 cylinder heads. The COMP Cams Bushed Shaft Rocker System improves valve train stability and durability by securing all eight rocker arms onto a single rocker shaft. Thin tri-layer rocker arm bushings reduce rocker arm deflection and eliminate the high Hertz loading that can occur in needle bearing equipped rockers. Reduced rocker deflection increases valve train stiffness, ensuring that your LS is more efficient and durable under high loads. COMP Cams engineers worked to ensure long-term valve train durability by perfecting rocker to valve stem geometry and provisioning for supplementary pressurized oiling via threaded ends on the rocker shafts. Additionally, each rocker shaft is Plasma Nitrided, further increasing the system’s durability even when used with aggressive solid roller valve trains. The COMP Cams Bushed Shaft Rocker System for GM LS delivers high-level valve train stability, precise fitment, truer valve train geometry and increased load-bearing capacity in a package that is ready to bolt in that requires no machine work.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_SHO\u003c\/td\u003e\n\u003ctd\u003eLS1ShaftRockers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_SHP\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_SLA\u003c\/td\u003e\n\u003ctd\u003eShaft Rockers for GM LS1, LS2, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Family\u003c\/td\u003e\n\u003ctd\u003eLS1, LS2, LS6 \/ Cathedral Port LS Cylinder Heads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Offset\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eheight\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eheight\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes Bolts\/Hardware?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntake Offset\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003elength\u003c\/td\u003e\n\u003ctd\u003e26.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLTL\u003c\/td\u003e\n\u003ctd\u003eN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Valve Spring Open Pressure\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker Arm Material\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker Arm Ratio\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker Arm Series\u003c\/td\u003e\n\u003ctd\u003eMax-Lift BSR Shaft Rocker Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker Arm Type\u003c\/td\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker Stud Diameter\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitle\u003c\/td\u003e\n\u003ctd\u003eMax-Lift BSR Shaft Rocker System for GM LS1, LS2, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eweight\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ewidth\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":41089642266805,"sku":"ds_BDQQ_1981-16","price":1163.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/1905\/5956\/products\/07800c5f5cf67.jpg?v=1634626052","url":"https:\/\/www.truckpartsuperstore.ca\/products\/comp-cams-1981-16-max-lift-bsr-shaft-rocker-system-for-gm-ls1-ls2-ls6","provider":"Truck Part Superstore","version":"1.0","type":"link"}