K&N RC-5102 Universal Clamp-On Air Filter: Oval Straight; 4 in (102 mm) Flange ID; 8.938 in (227 mm) Height; 9.5 in x 6.75 in (241 mm x 171 mm) Base; 9 in x 5.5 in (229 mm x 140 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