Repl. Rocker Arm Bearing GM LS 1997-2017

The COMP Cams Replacement Rocker Arm Bearing for GM LS engines (1997–2017) is a crucial component for those maintaining or rebuilding a high-performance LS platform. This bearing assembly is essential for diagnosing worn valve train noise, completing engine rebuilds, or swapping rocker arms after extensive use. It ensures proper clearance and eliminates excess play in the rocker arm pivot.

Engineered to OEM specifications, this bearing is designed specifically for the LS rocker arm assembly geometry found in various displacements, including 5.3L, 6.0L, and 6.2L. It is built to withstand the radial and axial loads from valve spring pressure, making it a reliable choice for performance applications. The compact dimensions (1.9 × 0.9 × 5.4 inches) ensure a proper fit within the rocker arm cavity.

Ideal for engine builders, performance tuners, and experienced DIY mechanics, this replacement bearing is vital for maintaining valve timing accuracy and lifter preload consistency. Proper bearing clearance is critical to prevent rocker arm rocking, which can lead to valve train flex and potential engine damage. Upgrade your LS engine with this high-quality rocker arm bearing for enhanced performance and reliability.