K&N Universal Clamp-on Air Filters Air Fil Clamp-on 55mm

K&N Universal Air Filters eat in Four Styles - Round Straight, Round Tapered, Oval and Oval Tapered All Round Straight Types and Oval Tapered Types Have Rubber End Caps All Round Tapered Types Have Chrome End Caps All Clamp Directly to The Carburetor Throat, Replace the Stock Airbox and Filter Element Match The Od of Your Carb Throat With The Id Of The Filter (Given In Inches and Millimeters) Universal Clamp-on Air Filters 3 "Centered Clamp-on Air Filter Air Fil Clamp-on 55mmm