16 Brian Tooley LS1 CHROMOLY PUSHRODS Fits Most LS engines (except LS7) including 4.8 5.3 6.0 6.2 LS1 LS6 LS2 LS3 L92 L99 These are the stock length 7.400" Long 5/16" Chromoly .080 Wall pushrods by Brian Tooley Racing. Highly recommended when upgrading Camshafts. These one piece precision formed pushrods are constructed from SAE 4130 chromoly tubing, centerless ground to exacting tolerances, and case hardened to Rc 60. Beware of competitors who say their pushrods are made from the same 4130 material, because some are not.