Up for sale is a Barbron aluminum flame arrestor. It is 5 3/4 inches wide, 3 3/4 inches tall and the opening is 5 1/8 inches so it will fit most popular carburetors like Holley, Rochester, Edelbrock and most other 4 barrel carbs. It has a 1/4 inch fitting for the fuel pump over flow. Buyer to pay all shipping charges. We ship USPS Priority Mail for quick delivery and up to date tracking.