Anodized gold, 14 in. x 3 in. round, 5 1/8 in. diameter carburetor neck, low profile racing air cleaner. Moroso's unique radiused air inlet design equalizes air pressure past the boosters for uniform air flow. This anodized gold aluminum air cleaner will provide more air flow and improve horsepower. It fits Holley, Carter, Rochester, and Edelbrock carburetors with a 5 1/8 in. neck flange diameter.Includes matching wing nut and PCV adapter included.