Allstar Silver Anodized Billet Aluminum Fuel Regulator Mounting Bracket for 4500 Style Series Carburetor and Holley Regulator features a fuel regulator mounting bracket. It's designed to fit the 4500 style series carburetors using a holley regulator. It is constructed from quality billet aluminum and features a silver anodized finish. The hardware is included.. Fuel regulator mounting bracket is design to fit 4500 style series carburetors using an holley regulator Constructed from quality billet aluminum Silver anodized finish Hardware is included Sold each