Ball milled polished aluminum 15 inch oval air cleaner set. This air cleaner will fit most stock and aftermarket carburetors with a 5-1/8'' diameter carb neck like most Carter, Edelbrock, Holley, Rochester, and Quadrajet four barrel carburetors. It also has an aluminum raised base to raise the air cleaner above the carb flange. Comes with stainless bolt for mounting. Dimensions: 15"L x 8-1/4"W x 3"H.