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BSA 250cc Piston STD NOS

BSA 250cc Piston STD NOS

DBP5/5/11.STD

BSA Piston NOS
250cc
STD
63mm
top of the gudgeon pin hole to the top edge of the piston 18.3 mm
Gudgeon pin diameter: 5/8"-16 mm
Compression hight: approx. 27 mm
early BSA -1937

new, old stock

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