Triumph BSA Twins Billet Pressure Plate 57-1929 57-2156 57-4590 PN# 57-4590 B

Gorgeous U.K. made billet 3-spring pressure plate for Triumph and BSA twins. A larger contact area ensures great clutch hook up with lighter spring pressures. Accepts stock clutch thimbles and springs. Adjuster thread is 3/8″ x 24 T.P.I. You can use your stock, late model, adjuster or see below for our custom ball bearing adjuster.