Air Filter Assembly Chrome 6-1/2 Inch x 2-7/16 Inch Fits 2,3 or 4-Barrel Carburetors with 5-1/8 Inch Neck Mr GasketChromed plated steel round air cleaner with replaceable high flow paper element. Filter element has rubber seals top and bottom and wire screen or mesh inside and out to protect against damage. This smaller 6 1 2 inch diameter design is ideal for use on dual quad or tri power applications, but performance is not hampered by the smaller size. The 2 7 16 inch tall open design is less restrictive to air flow as the element is open 360 degrees and not