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Home > Products > Classic Motorcycle Pistons > BSA Pistons > BSA Piston - 496cc side valve (WD, M20), Year: 1937-55, +.020

BSA Piston - 496cc side valve (WD, M20), Year: 1937-55, +.020

BSA Piston - 496cc side valve (WD, M20), Year: 1937-55, +.020
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BSA - 496cc side valve (WD, M20) Year: 1937-55 compression ratio 4.9:1. (bore 82mm +.020"") compression height 1.19/32, piston length 3.11/32 - 1 cylinder (flat head) Pin diameter .3/4. 1 - piston available (Gandini Italy).

Product Code: 11957+.020

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