K&N RU-5040: RU-5040 Oval Tapered Universal Clamp-On Air Filter Flange Inside Dia. 3.500 in. (89 mm) Rubber Top
3.5 in. (89 mm) Flange Diameter
Oval Tapered Universal Clamp-On Air Filter Flange Inside Dia.: 3.500 in. (89 mm) Top Style: Rubber Height: 5.500 in. (140 mm) Base Outside Length: 8.500 in. (216 mm) Base Outside Width: 5.250 in. (133 mm)