5/16 Hi-Energy Pushrods - 9.748 Long

The 5/16 Hi-Energy Pushrods – 9.748 Long by COMP CAMS represent serious valve train architecture for high-performance Oldsmobile V8 engines. These hardened steel pushrods are engineered for engines that demand precision control over valve opening and closing events, especially in applications where camshaft aggression and RPM capability push stock components to their limits. Built with the durability and dimensional accuracy required for marine and automotive enthusiasts, this 16-piece set ensures your entire valve train operates with minimal deflection and maximum reliability under load.

Hi-Energy pushrods reduce flex and deflection during high-lift cam operation, maintaining precise rocker arm geometry throughout the RPM range. The 5/16-inch outer diameter and 9.748-inch length are specific to Oldsmobile V8 configurations, designed to work seamlessly with matching rocker arms and cylinder head ports. Steel construction provides the rigidity needed for aggressive valve events while resisting bending under the intense pressures of performance fuel and elevated boost conditions. This design philosophy translates directly to boating applications where marine V8 engines demand consistent power delivery and dependable valve train synchronization across varying load conditions.

These pushrods are ideal for boaters and engine builders restoring or upgrading Oldsmobile-powered vessels seeking to improve throttle response and fuel efficiency. Whether you're rebuilding a classic marine engine or upgrading an existing power plant, verify your rocker arm style and cylinder head port configuration before installation to ensure proper fitment. The complete 16-piece set covers the full valve train requirement for V8 applications, streamlining sourcing and ensuring consistent performance across all cylinders. Proper pushrod length is critical—even small deviations affect valve timing and can cause premature wear or misfire under full throttle.