K&N Replacement Air Filter Polaris Sportsman XP 550 '09 Category_Wheel Bearing Kits RM STATORs PeakRPM technology provides

RM STATORs PeakRPM technology provides a more aggressive timing curve for increased throttle response

Ideal for routine maintenance or during wheel bearing replacement

Barrel Nipple 5/16"

OEM spacers typically wear out within a year of hard riding

K&N Replacement Air Filter Polaris Sportsman XP 550 '09 Category_Wheel Bearing Kits RM STATORs PeakRPM technology providesK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. Features: Designed to provide increased horsepower and torque. Pleated media provides a large filtration area, offering long service intervals. Multiple