Feuling Quick Install Adjustable Pushrod Kit For Harley Twin Cam This is the strongest Quick install pushrod on the market second only to heavy-duty one-piece pushrods! Features Install without the removal of rocker covers Individual length Exhaust and Intake pushrods Strength and rigidity or one-piece pushrods 3/8 OD tube, 0.134 wall thickness Note: Requires quick install tubes 10025235.