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BSA Piston M20 +20
BSA Piston M20 +20

BSA Piston M20 +20

BOA12C/+020. 66-1190/+020. 8416
BSA Piston M20 +020
Replica
complete
82mm +020 (=82.5mm)
Pin diameter 19 mm
GPM
Piston Clearance 0.12mm or 45thou
Compression Height: 40.5mm

These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings.

 

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