Brand new STANDARD size Namura Piston and gasket kit. If your cylinder is in good condition and just needs a quick hone then this standard size may be correct for you. Gasket set includes head gasket, base gasket, valve seals (4) and exhaust gasket to rebuild the top end of your Polaris Sportsman. Even includes the valve seals! Don't ever re-use old gaskets when rebuilding your engine!
Machined smooth heads and anodized domes increase durability and can even add horsepower and fuel economy. Lastly, the Hypereutectic casting process provides a higher silicon content for reduced expansion rates and additional wear resistance. Namura pistons are simply the best value on the market. All the advantages of a top of the line piston at a great price!
Replaces Polaris part numbers 5254903, 5260934, 5813676, 2206222, 3610212, 3610199, and 5253989.