Our oval Air Cleaners are fully CNC machined from a solid chunk of 6061T6 aluminum and feature a ball-milled top. They are 17-1/2" long, 10" wide, and 4-1/4Ó tall and come with a 3Ó K&N washable cotton gauze filter element. They fit standard carburetors with 5 1/8 inch opening and are available in a variety of our popular Fusioncoated colors.Billet Flame Arrester Full Ball Mill with K&n Filter17-1/2" x 10 x 4-1/4""