AEM21-2148D-HK Universal DryFlow Clamp-On Air Filter: Oval Tapered; 3.5 in (89 mm) Flange ID; 5.5 in (140 mm) Height; 8.5 in x 7 in (216 mm x 178 mm) Base; 6.25 in x 4 in (159 mm x102 mm) Top