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Norton Piston NOS 490cc 1931/48 +20
Norton Piston NOS 490cc 1931/48 +20
Norton Piston NOS 490cc 1931/48 +20
Norton Piston NOS 490cc 1931/48 +20

Norton Piston NOS 490cc 1931/48 +20

DBP5/9/1.8617+20.9177

Norton
8617
+020
79.1mm

S.V., 16H, W.D.
STD = 79 mm

no Gudgeon Pin
no Piston Rings


new, old stock

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