Competition Cams 7609-16 Magnum Pushrods for Small Block Chevy with Retro-Fit Hydraulic Roller Cam, 5/16" Diameter, 7.300" Length 5/16 inch diameter, 7.300 inch length for Small Block Chevy with retro-fit hydraulic roller cam One-piece .080 wall chromemoly steel tubing Heat-treated for extended durability and guide plate compatibility Precision formed and reinforced pushrod end Black-oxide finished with laser-etched part number and length