K&N 62-1485 Vent Air Filter / Breather: Vent Air Filter/ Breather; 1.25 in (32 mm) Flange ID; 2.25 in (57 mm) Height; 2 in (51 mm) Base; 2 in (51 mm) Top Washable and reusable Push-in design Fits 1-1/4 inch hole in valve cover Shield and top plate are chrome plated