BSA B44 Silencer swing. arm 1 3/8" 1961- BSA B44, 440 cc, 1962- BSA B25, C25, 250 cc, 1962- BSA C15, B40 (inside) 350 cc, 1961- Total length ca. 35.3cm Please look at all pictures Made in UK Chrome
AJS/Matchless Piston 350cc +040 Iron Head 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, Gudgeon Pin and Circlips
Piston Clearence 0.12mm or 45thou
69 mm = STD +040= 70 mm Pin Diameter 22mm 7/8" Please look at all pictures