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BSA Piston NOS 1937/9 250 cc +40

BSA Piston NOS 1937/9 250 cc +40

DBP3/9/15.1834.7149+40

Heplex
1834
+40
7149

OHV
Model: B21, Sports
STD = 63 mm

no Gudgeon Pin, no Piston Rings
new, old stock

 

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