Pto Adapter 1-3/8" 21 Spline Female X 1-3/4" 20 Spline Male - Extends

This heavy-duty clamp-style PTO adapter bridges a 1-3/8" 21-spline (small 1000 RPM) female input to a 1-3/4" 20-spline (large 1000 RPM) male output, extending the PTO shaft by 4-1/2". Rated for up to 125 HP, it is secured by a 2-bolt clamp for a positive, slip-resistant connection.