PLEASE NOTE: Delays in processing orders. Orders placed between Thursday 22 January and Monday 09 February will be processed 10 February.
Lock nut to hold clutch to gearbox mainshaft. Suit all Nortons from 1934? to 1975. Earlier style pre 1957, 5/8 inch x 20tpi BSC CEIOriginal part numbers:3331; A2/372; E6254; 040373 - main axle nut (clutch)