1972-2005 GM 7.5 in Pinion Yoke (YY GM40015850)Yukon yoke for GM 7. 5" and 7. 625" (mech 3R) in a triple lip design. 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. Features Fits GM 7. 5" and 7. 625" Mechanics 3R u joint size 2. 556" snap ring span Inside snap ring design Strap style Specifications 27 spline 1. 125" cap diameter Application Notes GM 7. 5 in. and 7. 6 in.;