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Helps maintain engine efficiency! 1 bottle = 1 use. Fights deposit buildup & engine friction! Treats up to 21 gallons. America's leading fuel additive maker! Use regularly when you fill up. STP Fuel Injector & Carburetor Treatment helps: maintain optimum engine efficiency; fight friction on piston rings/cylinder walls; save gas by keeping injectors and carburetors clean. STP does not manufacture any private label products.
Pour entire contents into gas tank that is at least half full. Firmly replace cap on empty bottle and discard in trash. For tanks up to 21 gallons. May be used in combination with other STP fuel additives. 100% satisfaction guaranteed or your money back.
Contains: Petroleum Distillates, Ethoxylated Amine.
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