Airaid 700-540 Universal Clamp-On Air Filter: Round Tapered; 2.5 in (64 mm) Flange ID; 5 in (127 mm) Height; 5.375 in (137 mm) Base; 4.375 in (111 mm) Top Universal Air Cleaner Assembly; Flange-2.5 in.; B-5 3/8 in.; T-4 5/8 in.; L-5 in.;Cone 2 1/2 x 5 3/8 x 4 3/8 x 5