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BSA B40 Piston std.
BSA B40 Piston std.

BSA B40 Piston std.

B151. 41-0251

8:1 comp

BSA B40 Piston std.

STD = 79mm

Gudgeon Pin Diameter: 19mm

Total Height: 73.85mm

Compression Height: 41.2mm

Piston Clearance 0.12mm or 45thou

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