AJS/Matchless Piston 350cc STD Iron Headd 1933-46365g Compression 6.3:1 complete incl. piston rings, gudgeon pin, circlips f. G3LS JP Piston Made in Australia
AJS/Matchless/Velocette/Ariel/Norton/Royal Enfield Speedo Drive 2:1 AJS/M. Rigid 1937-1950 also can be used f. other Models-need larger hole. Hole diameter 5/8" = 15,87 mmIf mounted on rear wheel - right hand side- output drive forwards on top- the cable turns clockwiseIf mounted on front wheel --left hand side- output drive upwards-the cable turns anticlockwiseThis can be used for WM20, but it depends, which speedo is fitted, clockwise or anticlockwise.Smith's Replica