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BSA B40 piston +20
BSA B40 piston +20
BSA B40 piston +20
BSA B40 piston +20

BSA B40 piston +20

B152. 41-0252+20

BSA Piston complete

8:1 Compression

+20 = 79, 5 mm

Piston Clearence 0.12mm or 45thou

Gudgeon Pin: 19.00 mm

Compression Height: 40.9mm

incl. gudeon pin, piston, rings, circlips

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