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.
K&N Composite Top Universal Air Filters - With advanced composite technology, carbon fiber provides the ultimate in strength with minimal weight. Carbon fiber provides 1/3 less weight than a conventional filter top.
