K&N Universal Oval Chrome Filter 1 9/16 in. Flange 3 in. Base 2 inch Top 3 in. Height (4 Per Box)K&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration. This Part Fits: Year Make Model Submodel 1977 1978 Honda CB750A Automatic Base 1976 1978 Honda CB750F Super Sport Base 1969