DESCRIPTION One New Aftermarket Clutch Release Bearing Spring Fits Massey Harris Models: Pony, Pacer (16), 20, 20K, Colt (21), Mustang (23), 22, 22K, 30, 30K, 33, 44, 44 Special, 44-6, 44K, 55, 55K, 81, 82, 101 Jr, 101 Sr, 102 Jr, 102 Sr, 201, 202, 203, 205, 333, 444, 555, 404 Technical Information: – Dimensions of this spring are: Overall Length 1.400″ Outside Diameter .570″ Wire Diameter .065″ – One spring is used per tractor Replacement Part Number: 14581A