Used vacuum actuator for controlling the
center A/C vent on certain 1969-70 Mercury Cougar or Ford Mustang. This is a bare vacuum valve, that does not have the screwed on extension which make the unique part numbers from the Ford MPC. Tested and holds vacuum. This is the unique valve with two separate vacuum ports. 2 ports for two different positions. Studs are on 1-1/4 inch centers. Common single port vacuum valve is on 2-1/4 inch centers. Ford part number C9ZZ-18A318-A.