Correct yoke selection starts with series, spline count, and diameter — 3103-10 (Transmission Yokes) is built to those exact specifications. Specifications include Center u joint to end 2.750, Counter bore dia 1.125, Hub dia 2.125, Series 1310, Splines count dia 10 x 1.375.
1310 Series determines the mating U-joint cap diameter and cross width. Designed for Used in boat applications, Fits onto standard jet drive applications. Key dimensions: Center u joint to end 2.750, Counter bore dia 1.125, Hub dia 2.125.
Before installation, slide the yoke onto the output shaft by hand to confirm proper spline engagement.










