These Crane pushrods are made from aircraft-grade 4130 chromemoly seamless steel tubing heat-treated to a 128000 psi tensile strength rating. Pushrods for use with guideplates are heat-treated beyond that rating and carbonized to withstand wear. The spot-welded steel ends are heat-treated and then coated with a black oxide finish. For use in engines with Crane hydraulic roller lifters. Specifications: * Diameter: 5/16 in. * Length: 7.046 in. * Tips: Ball ends * Guideplate compatible