Yukon yoke for 8.2 BOP differential, Mech 3R u/joint size, u/bolt design. All Yukon yokes come with a one year warranty against manufacturing defects. Product Features:Fits GM 8.2 Buick, Oldsmobile and Pontiac27 splineMechanics 3R u-joint sizeInside snap ring design2.556 snap ring span1.125 cap diameterStrap style