COMP Cams 1982-16 Max-Lift BSR Shaft Rocker System for GM LS3/L92

Steel construction with tri-layer bushings mounted on a shaft, the COMP Cams Max-Lift BSR 1982-16 rocker system is engineered for LS3 and rectangle port LS cylinder heads as a bolt-in installation requiring no machine work. Factory valve covers clear the design while accommodating 550 pounds of maximum valve spring pressure with a 1.7 rocker arm ratio and 10 mm bolt/stud diameter. Plasma nitriding increases load-bearing capacity for aggressive valve train operation. The complete assembly weighs 3.1 pounds per cylinder head with bolts and hardware included. Related configurations: part 1981-16 for LS1/LS2/LS6, and part 1983-16 for 7-cylinder LS7 applications.

• Rocker Arm Series: Max-Lift BSR Shaft Rocker Systems
• Engine Family: LS3 / Rectangle Port LS Cylinder Heads
• Clears Factory Valve Cover?: Yes
• Height: Stock
• Rocker Arm Ratio: 1.7
• Rocker Arm Type: Shaft
• Rocker Arm Material: Steel
• Machine Work Required?: No
• Bolt/Stud Size: 10 MM
• Intake Offset: Yes
• Exhaust Offset: No
• Rocker Arm Weight: 89
• Rocker Stud Diameter: 10 MM
• Includes Bolts/Hardware?: Yes
• Maximum Valve Spring Open Pressure: 550 LB
• Full Shaft Assembly with Rockers Per Head Weight: 3.1 LB
• C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
• C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
• C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
• C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.