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For Sale: 1946-48 Columbia vacuum changer and speedometer ratio changer. Appear to be in good condition. The two solenoids click when electricity is applied to them. The spring loaded switch "turns on" when the plunger is depressed. The bellows on the speedo. changer look good. The correct bracket to mount the vacuum changer to the head is present, as well as the correct mount to the firewall for the speedo changer. $400.00 plus shipping
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