Wiseco Piston Kit - 75.50 Mm - Polaris 300 Atv 721M07550

• Forged from high-silicon aluminum alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications • Durability, longevity and increased horsepower • Innovative forging design and piston skirt provide maximum horsepower and torque • Features forged pistons, rings, wrist pins, and circlips • These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer • Each piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation • GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end • Cylinder sleeves must be purchased separately. • Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only. - Polaris Xpress 300 (1997, 2000, 1998, 1996, 1994, 1995, 1999); Polaris Xplorer 300 4x4 (1999, 1997, 1998, 2000, 1995, 1996, 1994); Polaris 300 4x2 (1994, 1995); Polaris 300 4x4 (1994, 1995)