The 3102-187 Flange Yoke, part of the 1310 series for Toyota cars, features a 1.808″ male pilot diameter, a 3.078″ bolt circle, and four 0.335″ bolt holes arranged in a square pattern. It supports a universal joint retaining width of 3.469″, a bearing diameter of 1.062″, and has a centerline to flange face distance of 1.687″.