This air filter base is perfect for crates!  Our dyno testing showed horsepower and torque gains over the leading bases in the industry.  Sold as a set with a 1/2" Seal ring to ensure a proper seal between the carburetor and the base. 

This 14" Black Powder Coated Flat Air Cleaner Base is the perfect companion to our black powder coated Crate Insider Air Filter lid found here.