The 3102-21 Flange Yoke, part of the 1310 series for Nissan, features a 1.967″ male pilot diameter, a 3.200″ bolt circle, and four 0.395″ bolt holes. With a face to centerline distance of 1.781″ and a swing diameter of 4.010″, it replaces the factory staked universal joint and has a square pattern. It weighs 6.50 lbs.