Cylinder Works 11-14 Polaris Sportsman 800 4x4 800cc Standard Bore Cylinder Kit 10.2:1 Comp. 80mm

This is a Cylinder Works 800cc Standard Bore Cylinder Kit designed for the 2011-2014 Polaris Sportsman 800 4x4. If your engine is losing power or needs a rebuild, this kit is built to bring it back to its original performance levels. It includes a cast aluminum cylinder, a Vertex piston, and all the necessary gaskets to get your engine running strong again. This kit offers a way to restore your ATV's power without the cost of a full OEM replacement.

The cylinder itself features a Nickel Silicon Carbide (NSC) electroplate bore. This advanced plating allows for very tight tolerances, which means less friction as the piston moves. That reduced friction contributes to better efficiency and extreme durability for the cylinder wall. It's also precision diamond honed to exact dimensions, ensuring the piston rings seal properly against the cylinder wall. This proper seal is crucial for maintaining compression and ensuring the rings hold oil effectively, which is vital for engine longevity and performance.

When you're rebuilding the top end of your Sportsman 800, a kit like this ensures you have the core components needed to get the job done. Make sure to refer to your service manual for the correct installation procedures and any additional parts or fluids you might need for your specific rebuild.