Alto Red lining on steel kit BT41-67 (4)
1941 thru 1967 Big Twins use 4 plates and 1968 thru 1984 Big Twins use 5 plates. Plates are .210" (5.3mm) thick and are available as a set of either 4 or 5 plates, and separately. Your choice of Aramid or Alto "Red" lining. Can be used wet or dry.