K&N RU-4710 Universal Clamp-On Air Filter: Oval Straight; 2.375 in (60 mm) Flange ID; 6.75 in (171 mm) Height; 6.25 in x 3.75 in (159 mm x 95 mm) Base; 4.438 in x 3.438 in (113 mm x 87 mm) Top Designed to increase horsepower and acceleration Hundreds of sizes and shapes for most applications High air flow with excellent filtration Clamp-on washable and reusable air filter Pliable flanges absorb vibration and can be stretched up to 1/16 In. to fit in-between sizes