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Your cart is empty.Rostra Precision Controls, Inc. is the Original Equipment manufacturer of vacuum modulators. Rostra Modulators are the highest quality in the industry. Complete and universal, problem solving designs, function perfectly the first time, every time.
Chris D
Reviewed in the United States on May 24, 2023
Didn't fit my application and lost 4 quarts of fluid trying to install.
Charles
Reviewed in the United States on July 9, 2022
66 Mustang with c4 automatic fit perfect
Thomas Patterson
Reviewed in the United States on February 23, 2022
Great adjustable modulator.
Leslie b.
Reviewed in the United States on February 20, 2020
Fit as required
robert sylvia
Reviewed in the United States on June 18, 2018
Worked very Good
DummyDuhast
Reviewed in the United States on May 6, 2017
Very good price, nice part, made in USA. Would definitely purchase this again. Nothing bad to say about this part.
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