Cast Yoke For GM 8.5 Inch With A 1350 U/Joint Size. 8.5 Inch GM 1350 Pinion Yoke Cast Uses Straps (Rare Size) Yukon Gear & AxleYukon cast yoke for GM 8. 5 inch with a 1350 U joint size. 3. 625 inch snap ring span, 1. 188 inch cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects. Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy duty off road applications. Features: Fits GM 8. 5 inch 30 spline 1350 u