Mr. Gasket Easy-Flow Air Cleaners give you that show-car look for a bargain price. Designed to fit single 2-, 3-, and 4-barrel carburetors with 5-1/8-inch necks, this 2-inch tall, high-CFM air cleaner features a 9-inch zinc-plated-steel base and a durable chrome-finished top cover that encloses a replaceable flame-retardant paper element and comes complete with a hold-down stud and a wing nut.