Quick Fuel 3-203 Dominator Carburetor Rebuild Kit. This rebuild kit is designed for 4500 Dominator carburetors. Kit works with Quick Fuel QFX-Series 4575, 6464, 7320, 8896, 9375, 9377, 80186 and 80532. In addition to Quick Fuel it works with Holley Dominator and King Demon (replaces Barry Grant part # 190005). This kit works with both2 and 3 circuit carburetors.