BSA Piston B33/M33 1954-60 +020

BOA12G. 65-1662

Made in Italy

+020=85.5 mm

Gudgeon Pin Diameter: 19mm

Middle Gudgeon Pin to TOP: 43.5 mm

Piston Clearance 0.12mm or 45thou

Compression Ratio: 7.5:1

65-1613 Conrod

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