AJS/Matchless/Norton Clutch Plate Surflex Atlas/late Dominator
DBL12.cpl38)21259.02-1259.043192.04-3442.04-3192.0Norton Clutch Plate Surflex
500/600/650/750 Twins
AJS/Matchless 350,500,600,650cc 1956-67
Norton Mod.50,ES2,Dominator 500 600 650cc, Atlas 750cc 1966-67