ProX Racing Parts Piston Kit - 77.25 mm - Polaris - 01.5603.000

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. Kit includes piston, rings, pin, clips and top-end bearing.