Yukon yoke for 8.5″ or 8.6″ GM (mech 3R) with a U/Joint size & triple lip design. Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
Mechanics 3R u-joint size Inside snap ring design Fits GM 8.5″ and 8.6″ 2.556″ snap ring span 1.125″ cap diameter