Proflow Pushrod, Universal 5/16 Chromoly, 7.400 in .080in Wall, One Piece Swaged Ends Heat Treated, Oem LS Length, Suitable For Guide Plates,Set Of 16 - PFE-PR5167400Part Number: PFE PR5167400 Cold formed seamless hardened 4130 Chromoly single piece pushrods with . 080 wall thickness designed for racing and high performance applications. Able to withstand open spring pressures of 375 pounds. Standard 5 16 & 3 8 diameter pushrods are available in lengths from 6. 200 9. 900. Standard replacement length for Holden Chev LS Length: 7. 400" Diameter: 5 16" Wall thickness: . 080" Radius: 180 Degree Material: Chrome Moly