Brand New set of Sixteen (16) COMP Cams High Energy Hardened Replacement Pushrods designed for 1965-86 396-454ci Big Block Chevy V8 Engines. 3/8" Diameter, 8.280" Intake / 9.252" Exhaust Length (Standard length, Standard Block), .080" Wall, 5/16" Oil through welded ball ends. Must be used with guide plates. High Energy Pushrods from COMP Cams are an affordable, high quality solution when building street rods, RVs and daily drivers. High Energy Pushrods have a durable one-piece construction that meets or exceeds all OE pushrod specifications and fit perfectly with High Energy and Magnum Rocker Arms.