Steering Universal U-Joint Coupler 9/16-26 Mustang Bryke Racing Steering U-Joint 9/16"-26 spline x 3/4" Smooth Fits Mustang and Pinto Manual Capable of 32 degrees of working angle Strong and precise with "no slop" Dimensions: Overall Length: 3-7/8" OD: 1-1/8" OD of U-Joint: 1-5/8" ID Spline: 9/16" ID Smooth: 3/4" Round Spline: 26 spline