PRW Single Piece Chromoly Steel Pushrods 6.300" length 5/16" diameter Designed specifically for high performance and racing applications. PRW single piece pushrods are cold formed from seamless 4130 chromoly steel tubing with a wall thickness of .080" These are heat treated for the ultimate in strength and durability. The ends are precision formed to provide a consistent wall thickness and concentricity. PRW pushrods are finished with a black oxide coating and laser etched with the length designation for easy identification. PRW Single Piece Chromoly Steel Pushrods 6.300" length 5/16" diameter Designed specifically for high performance and racing applications. PRW single piece pushrods are cold formed from seamless 4130 chromoly steel tubing with a wall thickness of .080" These are heat treated for the ultimate in strength and durability. The ends are precision formed to provide a consistent wall thickness and concentricity. PRW pushrods are finished with a black oxide coating and laser etched with the length designation for easy identification.