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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
2025-08-17 16:16:49
Worked Perfectly!
Michael L. Weed
2025-06-15 10:26:23
Transmission modulator valve works great on my car. Fair price and item was shipped to me fast.
P. Dave
2025-06-12 11:07:24
Arrived timely, packaged well and looks good. Won't install for couple more weeks.I'm satisfied so far.
Customer
2024-12-24 18:31:32
works good as advertised
inet-email
2024-12-07 15:46:19
Worked as expected
Brad D
2024-12-03 14:44:27
never got it installed as adjusting screw broke.....junk
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