This is a completely rebuilt Holley Carburetor. It is a 750-cfm dual inlet, single pump carburetor. Before rebuilding it was completely disassembled. All parts were inspected and those that needed replacing were replaced. This part was completely cleaned, both inside and out. This carburetor is in excellent repair and ready to use. It is a vacuum advance with a manual choke. The jets are 72, the power valve is a 6.5, and the squirter is a 28, the needle and seat are .100, and the cam is a 219. All bench adjustments have been made. All this carburetor needs is to be matched to the requirements of your engine.