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Your cart is empty.VALVTECT MARINE GASOLINE ADDITIVES "Beyond Top Tier" Detergent Technology* Stabilizes Marine Gasoline for More Than 2 Years Provides Maximum Corrosion and Ethanol Protection Reduces Maintenance Costs While Improving Power and Performance ValvTect Marine Gasoline Additive is formulated to upgrade ethanol blended & conventional gasoline to ValvTect Marine Gasoline. It is specially formulated to prevent ethanol fuel related problems by controlling moisture to prevent phase separation and maintain octane rating. * Top Tier is a performance standard for gasoline, backed by major engine makers. ... To be considered Top Tier, the gasoline must have a higher concentration of detergent added to it. Treatment Rate: 1oz Treats 10 Gallons - 1 Bottle Treats 320 Gallons
scott graves
Reviewed in the United States on November 16, 2024
Used in my marine motor for the last 6 yrs. and never an issue. 1988 5.7l Mercruiser.
papa
Reviewed in the United States on June 3, 2023
I have bought, and reviewed, Valvtect many times. This time my Mercury 115hp would hesitate when starting it first time in the morning. Not any more. Once treated, quick start every time.Why bother with any other additive? I also use as Minnesota winter fuel stabilizer. Simple choice for me.Shipped quickly and securely by Ken’s Oil Service. I’ll be back!
Frank
Reviewed in the United States on June 2, 2023
One of the 3 bottles was slightly leaking and caused an awful stench
Alex D
Reviewed in the United States on March 23, 2022
This is a fantastic product for anyone wanting to get more out of todays gasoline, especially the e10 blends. It has the ability to stabilize gas for much longer periods of time than standard gas alone. I use it to keep my tank fresh for months at a time and highly recommend it!
sammy ramirez
Reviewed in the United States on October 29, 2022
I have use this product for years . On my Outboard Motor...I have nothing bad to say about it..
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