Fits CARTER 1-BBL carburetors. Replaces the following part numbers: OEM Ford E3PZ-9S552-F. A combination of an electric solenoid and a vacuum
operated slow closer on a common shaft, that mounts on a carburetor and controls the idle position of the throttle valves. Used to provide A/C speed-up or anti-diesel as well
as slow closing of the throttle valves.
