Twin Air Foam Air Filter | 156058P inhouse X-Rings have greater sealing surface

X-Rings have greater sealing surface and less friction than O-ring chains

The chain guide body are backed by our 1-year pro-rated warranty

400 XC-W (2009-2010)

Solid rollers and bushings with quad-riveted pins for extended wear-resistance

Licensed die-cast replicas

Twin Air Foam Air Filter | 156058P inhouse X-Rings have greater sealing surfaceThick, flat foam, greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage Coarse open pore foam catches airborn dirt, grime, and sand Fine open pore inner foam acts as second filter to trap the smallest particles while ensuring maximum air passage Adhesive withstands repeated cleaning Smaller than stock to increase air space and circulation around filter