1970-2017 GM 8.5 in/GM 8.6 in Pinion Yoke (YY GM8.5-1350-C)Yukon cast yoke for GM 8. 5" with a 1350 U joint size. 3. 625" snap ring span, 1. 188" cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects. Features 8. 5" GM 1350 PINION YOKE CAST, uses STRAPS (RARE size) Fits GM 8. 5" 1350 u joint size Outside snap ring design 3. 625" snap ring span Strap style Specifications 30 spline 1. 188" cap diameter Application Notes GM 8. 5 in.;