AED Advanced Engine Design's Carb Rebuild Kit for Holley Double Pumper

These are absolutely the finest Carburetor Kits available anywhere at any price! We have combined every possible add-on feature and incorporated them into each kit to give you long and improved performance from your Holley Carburetor. Most of the features you would buy seperately are already included. Listed below are just some of the additional components. It Takes only five AED Carburetor Kits to cover virtually all Holley performance carburetors, which greatly reduces inventory and makes kit matching extremely easy. For example AED's 4150 kit fits all double pumpers from 390 through 1000cfm units.  Features:High Flow .110" Needle & Seats Nylon reusable needle and seat gaskets. Nylon reusable bowl screw gaskets. New brass idle mixture screws. New needle and seat nuts and screws New accelerator pump squirter check valves. Special no-leak fuel inlet gaskets. Non-stick bowl & metering gaskets. Trick vacuum secondary diaphragms. Only the highest quality components made. Applications: 390-1000 Holley Double Pumper