S&S Complete Pushrod And Tube Kit For Harley Twin Cam S&S adjustable pushrods are made of robust chromoly steel tubing to ensure consistent valve train operation under all circumstances. The S&S design makes installation easy and trouble-free. Features: Will accommodate all displacements Will need longer keepers for taller than stock engines Installation requires the removal of the rocker boxes Requires the removal of tappet blocks for installation Includes chrome pushrod covers, gaskets, tappet cover gaskets, O-rings and cover keepers