Speedmaster PCE257.1002 Shaft Mount Rocker Arm Bridge Block Shim .040 Kit

The Speedmaster PCE257.1002 Shaft Mount Rocker Arm Bridge Block Shim Kit provides a precise .040-inch shim thickness designed to fine-tune rocker arm geometry on shaft-mount rocker arm systems. This kit helps ensure proper valvetrain alignment and consistent rocker arm positioning, making it an essential component when building or correcting shaft-mount valvetrain setups.

Engineered for engine builders seeking accurate valvetrain geometry, these bridge block shims allow for incremental adjustment to eliminate unwanted rocker movement and reduce wear on critical engine components. Ideal for performance engine builds utilizing shaft-mount rocker arm systems where precise shimming is required for optimal valvetrain function.