Seller notes

Namura HYPERDRYVE Piston For HONDA Z50R 1979-1999 +1.5 Bore STD Comp Bore Size: 40.5mm Size Over Standard: +1.5mm Compression: 10.0:1 STD Comp Important: KIT INCLUDES FLAT TOP PISTON - MUST USE WITH 50CC FLAT TOP/SMALL BORE CYLINDER HEAD FOR (1979-87)Includes: Piston, rings, circlips, pinMachined smooth piston crown (unless otherwise noted) to reflect combustion heat while reducing carbon buildupHard anodized piston crown with a hardness of HRB 105MOS2 coating to draw heat through piston walls a...

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