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Your cart is empty.ATP AT-217 offers the benefits of a transmission protectant and mild friction modifier in one additive. It enhances conventional Dex / Merc for HFM compatibility and modifies Synthetic Dex / Merc for compatibility with fluids such as Dexron VI, Mercon V and specialty European HFM fluids. It incorporates synthetic base stocks to increase lubrication and decrease heat, wear, sludge, oxidation and foaming.
Daryl Earnheart
Reviewed in the United States on September 1, 2022
Beware! Something is very sketchy about this product packaging. The seal was completely unattached from the bottle just laying on top with a piece of tape over the cap so I tried to return it But it gives me no option for that. I will not put this in my car!
Polymath
Reviewed in the United States on July 28, 2018
I added this to my transmission which was not shifting properly and it cured 95% of the problem
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