Molded Blue Plastic Carburetor Cap, Dust Cover, 5-1/8 Neck, Holley Edelbrock

Blue Plastic Carburetor Cap - Great for storage or when you are working on your car with the air cleaner removed - Comes with wing nut - Inexpensive way to keep dust and other debris from entering the carb - Fits most 4BBL carbs with 5-1/8" neck.