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Home > Products > Classic Motorcycle Pistons > BSA Pistons > BSA Piston - 499cc OHV (B33, B34, B34 Gold Star, M33), Year: 1947-52, +.020

BSA Piston - 499cc OHV (B33, B34, B34 Gold Star, M33), Year: 1947-52, +.020

BSA Piston - 499cc OHV (B33, B34, B34 Gold Star, M33), Year: 1947-52, +.020
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BSA - 499cc OHV (B33, B34, B34 Gold Star, M33) Year: 1947-52, compression ratio 6.8:1, long con rod, (bore 85mm +.020"") compression height 1.7/32, piston length 2.29/32 - 1 cylinder (flat head with valve pockets) Pin diameter .3/4. 2 - pistons available (Gandini Italy). See Part no. 12010 for higher comp 8.5:1

Product Code: 11341+.020

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