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Competition Cams 1981-16
Max-Lift BSR Shaft Rocker System for GM LS1, LS2, LS6; This 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.
Competition Cams 1982-16
Max-Lift BSR Shaft Rocker System for GM LS3/L92; This pair of Max-Lift BSR Shaft Mount Rockers for Rectangle Port (LS3/L92) LS engines is a bolt-in rocker upgrade that requires no machine work to install. Clears factory valve covers while greatly increasing valvetrain rigidity.
Competition Cams 1983-16
Max-Lift BSR Shaft Rocker System for GM LS7; This pair of Max-Lift BSR Shaft Mount Rockers for Raised Rectangle Port LS7 engines is a bolt-in rocker upgrade that requires no machine work to install. Clears factory valve covers while greatly increasing valvetrain rigidity.
Competition Cams 1987-16
The COMP Cams Max-Lift BSR Shaft Rocker System for GM Gen V/LT engines increases valve train stiffness and strength, for improved valve train dynamics, durability and RPM capability.