K&N Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height

The RP-4970 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-4970 is a clamp-on filter that has an inside flange diameter of 4 inches and a flange length of 5/8 inches. The base is 5 3/8 inches and the filter height is 7 inches.