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Transmission Vacuum Modulator, Ford, C-4, C-6, Each

When your classic isn't shifting properly, Scott Drake vacuum modulators could help. These automatic transmission pieces are a vital component that tells the transmission what kind of load is being put on it, allowing it to react with the proper line pressures and shift points. They are offered to fit directly in the factory location of the current throttle valve in many Ford classics. Improve the performance of your transmission with new Scott Drake vacuum modulators.