Competition Cams 7854-16 High Energy Pushrods for Big Block Chevy 396-454, '65-'86, 3/8" Diameter, 8.280" Intake Length, 9.252" Exhaust Length 3/8 inch Diameter, 8.280 inch intake length (qt. 8), 9.252 inch exhaust length (qt.8) for Big Block Chevy 396-454, '65-'86 Best choice when building street rods, RVs or daily drivers Meet or exceed all OE pushrod specifications Mate perfectly with High Energyand Magnum Rockers Durable one-piece construction