AJS/Matchless Piston 350cc +030 Iron Headd 1933-46 Iron Head Compression 6.3:1 complete incl. piston rings f. G3LS JP Piston D3.G3.G3L.G4JP Piston Made in Australiawith Piston Rings, Circlips and Gudgeon Pin
Piston Clearence 0.12mm or 45thou
69 mm = STD. = 69.75mm
Pin Diameter 22mm 7/8" Compression Height: 29mmPlease look at all pictures
MSS Viper Venom Clubman 350cc (MKI and MKII) Scrambler 350cc Clubman 500cc (MKI and MKII) Scrambler 500cc Thruxton Endurance Made in England by Velocette Ltd.