OTR Filters Round Air Filter Element - 4.25 in Diameter - 5 in Tall - White CY10504 MB 557XPC STDX Supplied with a steel gear

Supplied with a steel gear to work with the factory roller camshafts

3/4 in Hose Barb

and 70cc exhaust ports

High Flow Fuel Filters

Fuel Map and Learn Function Smoothing

OTR Filters Round Air Filter Element - 4.25 in Diameter - 5 in Tall - White CY10504 MB 557XPC STDX Supplied with a steel gearProduct Description: Air Filter Element Round 4. 25 in Diameter 5 in Tall Wire Mesh Included Paper White Dirt Kart Sold Individually US based OTR Filters was founded on developing air filtration solutions that help engines breathe easier, run faster, and perform at their best. With a wide range of filters for everything from street performance to hardcore racing, OTR Filters combines excellent performance with maximum engine protection.