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Norton Piston Big Four/Big 4 STD - 1947/54 596cc
Norton Piston Big Four/Big 4 STD - 1947/54 596cc
Norton Piston Big Four/Big 4 STD - 1947/54 596cc
Norton Piston Big Four/Big 4 STD - 1947/54 596cc

Norton Piston Big Four/Big 4 STD - 1947/54 596cc

10890.STD.8217.Q200037
JP Piston Norton Big 4 STD
Gudeon Pin Diameter: 7/8"
incl. gudgeon pin, circlips and piston rings
Piston Clearance 0.12mm or 45thou
1947-54

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