Feuling Quick Install Adjustable Pushrod And Tube Kit For Harley Twin Cam This is the strongest Quick install pushrod on the market second only to heavy-duty one-piece pushrods! Feuling's Quick Install Adjustable pushrods and tube kit includes a set of 4 adjustable pushrods and a pushrod tube kit. 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: Chrome tubes are used conjunction with your factory inner/upper tubes, cups, springs, and washers.