We have found a great alternative to K&N Filters. The tapered filter offers a larger filter area in a narrower space, manufactured with four layers of cotton gauze between two layers of steel reenforcing wire mesh, let your car with 1.75 SU HIF44 or HIF6 carburetors breath clean air with these washable and oil-able filters. The filter is 2 and 1/4 inches tall, with a diameter of 6 inches and comes with the correct cork gasket