Brand: Allstar Performance Manufacturer's Part Number: ALL26044 Part Type: Carburetor Dust Covers Product Line: Allstar Performance Carburetor Hats Automotive Fittings Part Number: AAF-ALL26044 UPC: 848238016598 Carburetor Air Horn Diameter (in.): 5.125 in. Carburetor Dust Cover Material: Aluminum Carburetor Dust Cover Color: Natural Quantity: Sold individually. Notes: These carb hats are 2 1/2 in. tall. Hats will not clear choke linkage or shaft on Holley style carbs but will clear choke horn with choke linkage and shaft removed. Description: Allstar Performance carburetor hats are designed to cover open carbs and prevent debris from falling into the engine while working in a garage or pit area and the air cleaner is removed. These hats are designed to fit most carbs or throttle bodies with a 5 1/8 in. diameter neck. They're available in aluminum or plastic models.