Isolastic mount thrust washer for Norton Commando, later heavy duty style introduced in 1973, carbon, (each), four required , 2 on front and 2 on rear . Suits Norton 750 & 850 Commando 1969-74. replaces 063556 and 060578 Original part number: 063556; 060578; 064748- front engine mounting washer (PTFE); rear engine mounting washer (PTFE)
