COMP Cams Max‑Lift BSR bushed shaft rocker system for GM LS engines is a bolt‑in upgrade that secures all eight rockers on a single, plasma‑nitrided shaft to increase valve‑train stability and reduce deflection. Engineered for LS1, LS3 and LS7 cylinder heads, the system uses thin tri‑layer bushings, provisions for pressurized oiling and requires no machine work for installation.
COMP Cams Max-Lift BSR Shaft Rocker Kit Chevy LS3