Polaris 800 XC, 800 RMK & More ProX Piston Pin Bearing 22 X 27 X 24.8

ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition

High-quality cast piston made with dedicated tooling and molding

Made from hypereutectic alloy for extra strength and reduced expansion

Special dual-ring setup for improved durability and resistance to wear

Full MOS2 skirt coating for improved breaking in and resistance to scuffing

Anodized piston dome for increased protection against excessive heat

Usage of high-quality rings such as Riken for optimum heat transfer and sealing

Packed in a box containing piston, rings, pin, clips and top-end bearing

Part Number: 21.5801