Description
TH350 OR TH400 MODULATOR SINGLE RED STRIPE ADJUSTABLE.
TH350 / TH400 Vacuum Modulator. Adjustable, Supplied adjusted for normal shift points. If your engine doesn’t make adequate vacuum you will not be able to make the stock modulator work properly, usually resulting in late, hard shifts. Allows you to tailor your light throttle shift points in a range of 2 to 4 mph. 1965-1993
