The Yukon yoke is made for GM 7.5" and 7.625" (mech 3R) in a triple lip design. (Part number YY GM40015850) 2.556" snap ring span, 1.125" cap diameter. Inside snap ring. This yoke uses inside clips. All Yukon yokes come with a one year warranty against manufacturing defects. Yukon Gear & Axle manufactures a complete line of general replacement and performance series of yokes for many street, racing, and heavy-duty off-road applications.