PTO Adapter Set Screw 1-3/4 20 Spline Female 1-3/8 21 Spline Male 70HP

All of our new parts are aftermarket replacements. 1-3/4″ – 20 spline female x 1-3/8″ – 21 spline male. For tractors up to 70 h. All States Ag Parts Item No.