Cart 0
BSA Piston M20 +40. 83.0mm
BSA Piston M20 +40. 83.0mm
BSA Piston M20 +40. 83.0mm
BSA Piston M20 +40. 83.0mm

BSA Piston M20 +40. 83.0mm

BOA12D/+040.66-1190/+040.8216

BSA Piston M20 +040. 83.0mm

Replica

complete

82mm +040 (=83mm)

Piston Clearance 0.12mm or 45thou

We Also Recommend

BSA Transfer for Tank/Headstock/Toolbox to 1953

BSA Transfer for Tank/Headstock/Toolbox to 1953
BSA Gearchange Rubber for A,B,C,M Models

BSA Gearchange Rubber for A,B,C,M Models
BSA Piston 250cc C10/C11/C11G/C12 +040 = 64 mm

BSA Piston 250cc C10/C11/C11G/C12 +040 = 64 mm
BSA Transfer Tank 1933/39

BSA Transfer Tank 1933/39
BSA Tank Transfer 1937/38

BSA Tank Transfer 1937/38