Yukon yoke for GM 55P and 55T with a 1310 U/joint size. 3.219 snap ring span, 1.062 cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects. Product Features:Fits 1955-1964 GM passenger car and truck17 spline1310 u-joint sizeOutside snap ring design3.219 snap ring span1.062 cap diameterStrap style