STP 5.25 Oz. Super Concentrated Gas Treatment

Restore lost fuel efficiency with STP Super Concentrated Gas Treatment.

Formulated with twice the cleaning agents as regular STP Gas Treatment, this fuel additive goes to work quickly to improve the quality of gas in your vehicle.

The cleaning agents in the fuel treatment help to dissolve fuel injector and carburetor deposits, including carbon, gum and varnish to improve performance.

This gas additive is also a fuel water remover to help prevent a frozen fuel line.

Jet fuel works as a high-quality carrier for the active ingredients in this fuel cleaner.

Use this fuel system cleaner with every other gas tank fill.

This super concentrated formula is compatible with cap-less gas systems.

Each bottle treats up to 21 gallons of gas.