5/16 Hi-Tech Pushrods - 6.550 Long

The COMP CAMS 5/16 Hi-Tech Pushrods – 6.550 Long are precision engine components engineered for serious engine builders and performance mechanics who demand reliability in high-RPM applications. Pushrods are the critical mechanical link between a camshaft and valve lifters in overhead-valve engine designs, translating cam motion into precise valve actuation. This 16-piece set is purpose-built for engines requiring exact pushrod length and diameter specifications, making it essential for custom builds, racing applications, and top-end rebuilds where OEM tolerances must be matched or exceeded.

Manufactured from chromoly steel with a 0.080-inch thick wall, these pushrods deliver superior strength-to-weight ratio compared to standard steel alternatives, critical for sustained high-RPM engine operation where inertial loads increase exponentially. The 5/16-inch diameter and 6.550-inch length are precision tolerances that must match your engine's rocker-to-lifter geometry exactly; improper length causes valve float, incomplete valve closure, or catastrophic valvetrain failure. COMP CAMS' Hi-Tech designation indicates these pushrods undergo rigorous quality control and material selection, with chromoly composition resisting fatigue and bending under extreme valve spring pressures. The exact 0.080-inch wall thickness provides optimal rigidity while minimizing weight—a critical balance for rev-limited engines where pushrod flex causes lost motion and reduced power transmission.

This set is ideal for engine builders restoring or modifying small-block and mid-size V8 engines, particularly in muscle cars, hot rods, and racing platforms where valve-train precision determines performance consistency. Before purchase, confirm your engine's exact pushrod length requirement—even 0.050 inches of error creates measurable valve timing issues and potential mechanical damage. Installation requires precision measurement and proper rocker geometry verification; these pushrods should be installed alongside quality roller rockers, hardened pushrods seats, and tested valve springs rated for your target RPM. Compatibility depends entirely on your specific engine block, cylinder head design, and cam profile; always cross-reference with your engine builder's specifications or machine shop documentation to ensure correct fitment.