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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.
Steven Edwards
Reviewed in the United States on February 10, 2025
Worked Perfectly!
Customer
Reviewed in the United States on March 7, 2024
works good as advertised
Michael L. Weed
Reviewed in the United States on April 10, 2024
Transmission modulator valve works great on my car. Fair price and item was shipped to me fast.
P. Dave
Reviewed in the United States on December 24, 2023
Arrived timely, packaged well and looks good. Won't install for couple more weeks.I'm satisfied so far.
Brad D
Reviewed in the United States on July 14, 2019
never got it installed as adjusting screw broke.....junk
inet-email
Reviewed in the United States on October 24, 2017
Worked as expected
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