Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8″ x .135 wall 4130 Chromoly, these push rods increase strength and are able to handle the stress associated with higher engine RPM and higher valve spring pressures commonly found in performance engines.
3/8″ x .135 Wall
4130 Chromoly Construction
Great For Use With WCP Dual Valve Spring Kits