GM Turbo 400 Transmission Slip Yoke (uses 1350 u-joints and replaces 3-3-2431X) Uses outside snap rings (measurement is 3.622") Center of u-joint to end of slip measurement is 5.500" Spline size is 1.397" 31 based on 32 spline count (fits 32-spline units) Seal surface (slip diameter) is 1.8855"