K&N Replacement Air Filter Polaris Sportsman XP 550 '09 Category_Wheel Bearing Kits All bearing shafts manufactured with

All bearing shafts manufactured with 52100 bearing steel that is hardened and centerless ground for a precision fit and extended wear life

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

Vertex kits include quality components from Vertex

Excellent airflow

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 All bearing shafts manufactured withK&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