K&N RU-3560: RU-3560 Round Tapered Universal Clamp-On Air Filter
2.25'' (57 mm) Flange Diameter
Round Tapered Universal Clamp-On Air Filter Flange Inside Diameter: 2.25" (57 mm) Flange Length: 0.625" (16 mm) Flange Type: Centered Height: 6" (152 mm) Base Outside Diameter: 5.125" (130 mm) Top Outside Diameter: 4.625" (117 mm)