5/16in Moly Pushrods - 7.450in Long

The 5/16in Moly Pushrods - 7.450in Long from MANLEY represent precision valve train engineering built to exacting standards for high-performance and competition engine builds. These chromoly pushrods are engineered for applications demanding reliability under sustained high RPM operation, including street performance, drag racing, and circle track competition. Pushrods transmit valve actuation forces from the lifter to the rocker arm with minimal deflection, and material selection directly impacts engine longevity and rpm capability in forced-induction or radical cam profiles.

Constructed from chromoly (chromium-molybdenum alloy), this 5/16-inch diameter pushrod offers superior strength-to-weight ratio compared to standard steel, critical for reducing inertial mass in valve train assemblies. The 0.080-inch wall thickness provides rigidity while maintaining light weight, and swedged ends ensure secure seating in both lifter and rocker arm cups without binding or excessive clearance. At 7.450 inches long, this pushrod length accommodates specific block and head combinations where OEM lengths introduce unwanted preload or deflection, ensuring consistent valve timing across engine speed ranges.

Engine builders and performance shops specify MANLEY pushrods for small-block and big-block applications where valve train stability directly influences power delivery and durability. The set of 16 covers full-length engine configurations, and correct pushrod length is non-negotiable when running aftermarket rocker arms, higher valve lift camshafts, or modified cylinder head angles. Installation requires proper lifter preload setup and rocker arm geometry verification to eliminate false preload and ensure full valve opening without bottoming lifters—professional installation or consultation with your engine builder is strongly recommended.