SBC Nylon Thrust Button .810in Length

The SBC Nylon Thrust Button .810in Length by COMP CAMS is a precision component engineered for small-block Chevrolet engine builders and serious performance enthusiasts who demand reliability in high-RPM applications. This thrust button serves as a critical wear surface between the camshaft and the engine block, preventing excessive axial movement and protecting both components from premature damage during aggressive operation. Whether you're assembling a street performance engine, a race-prepped small-block, or restoring a classic Chevrolet, this nylon thrust button ensures proper camshaft stability and longevity.

Manufactured from durable nylon composite material, the SBC Nylon Thrust Button is designed to absorb impact and reduce friction at the camshaft face, a common failure point in high-lift or roller cam applications. The .810-inch length specification ensures proper fit within SBC block specifications and works in conjunction with your camshaft retaining plate to maintain precise valve timing clearances. Nylon construction offers superior wear resistance compared to softer materials while remaining gentler on hardened camshaft surfaces, extending component life and reducing the risk of catastrophic engine damage that can result from inadequate thrust control.

This thrust button is essential for any small-block Chevrolet engine—whether a 283, 305, 327, 350, or 400 cubic inch displacement—particularly when upgrading to performance camshafts with aggressive lobe profiles or running sustained high-RPM power. Installation is straightforward during engine assembly, positioning the button between the camshaft gear (or sprocket) and the block face before securing the retaining plate. Proper installation of a quality nylon thrust button like this COMP CAMS unit prevents costly valve train failures and ensures consistent performance for street, strip, or circle track applications.