Seller notes

Namura Top-End Repair Kit For POLARIS 90 SPORTSMAN 2001-2006 STD Bore Bore Size: 51.96mm Size Over Standard: Standard Important: THE PISTON DOES NOT HAVE A MACHINED SMOOTH DOMEIncludes pistons, rings and top end gasket sets (and needle bearings when needed)Machined 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 and out the bottomMinimized pisto...

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