Twin Air - 150210FR - Power Flow Kit Replacement Filter Kawasaki-EX250-Ninja-250-R-2011 Piston is for standard bore

Piston is for standard bore size 72

2014 Ski-Doo MXZ 600 Sport XP

Mounting hardware is included for installation

1991 Arctic Cat Cougar 440 L/C

2008 Polaris 750 FST IQ Dragon Turbo

Twin Air - 150210FR - Power Flow Kit Replacement Filter Kawasaki-EX250-Ninja-250-R-2011 Piston is for standard boreFused outer and inner elements prevent dirt and grime from being lodged between layers. nbsp Unlike twin air this can be a problem with two piece designs. nbsp Trapped particles can restrict airflow and if dirt works its way into your engine a pinhead sized granule will gouge your cylinder piston and rings. thick flat foam greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage