K&N 62-1495 Vent Air Filter / Breather: Vent Air Filter/ Breather; 0.5 in (13 mm) Flange ID; 1.75 in (44 mm) Height; 3 in (76 mm) Base; 3 in (76 mm) Top Screw-in design Fits threaded Ford valve covers Top plate is chrome plated 3 inch outside diameter by 1-3/4 inches tall