These race-proven Tilton 6000-Series hydraulic throwout bearings are the best HRB's on the market! They have been designed for easy installation and maximum reliability at a very competitive price. The bearings feature a stainless steel threaded bearing retainer-mount sleeve that offers nearly 1.25 in. of adjustability, enabling them to be used with most 8.5-10.5 in. bent-finger, diaphragm-type clutches. The Tilton 6000-Series hydraulic throwout bearings include a -4AN stainless steel braided line supply line, a bleed line and fittings, a stainless steel threaded adjustment sleeve, and a special bearing retainer bolt.