Sportsman 500 (.040″ OVER) Top End Rebuild Piston, Gaskets


Rebuild your top end with this complete kit.  The kit is centered around a new Namura piston kit.  These pistons are top quality and include all the features of the more expensive pistons like teflon coated skirts, anodized domes, and machine finished heads.  This kit includes a .040″ OVERSIZED 92.97 MM piston kit with rings, pin and circlip.  YOU MUST HAVE THE CYLINDER BORED TO MATCH THIS OVERSIZE PISTON!!  The top end gasket kit includes head, base, side cover and exhaust gasket to rebuild the top end of your Polaris 500. Even includes the valve seals!  Don’t ever re-use old gaskets when rebuilding your engine! High quality non-asbestos materials are used in kit.  Includes all of the following parts shown in the photo including:


  • .040″ Oversize Piston Kit
  • Head Gasket
  • Base Gasket
  • Valve Cover Gasket
  • Exhaust Gasket
  • Cam Cover Gasket
  • Water Outlet Gasket
  • Valve Seals (4)
  • Camshaft Adapter O-ring

This top end repair kit fits the following models:

1996-13 Polaris Sportsman 500, Xplorer 500

In stock

SKU: 100-4228-A Category:
Sportsman 500 (.040″ OVER) Top End Rebuild Piston, Gaskets

In stock