STP Super Concentrated Fuel Injector Cleaner helps unclog dirty fuel injectors to restore performance to your vehicle. Safe for gasoline engines, this STP fuel additive uses concentrated detergents to dissolve and remove carbon, gum and varnish deposits from the fuel injector that can cause problems such as hard starts, lost acceleration and rough idling. Jet fuel in this STP fuel injector cleaner is a high-quality carrier of the active ingredients. Use this car care product with every oil change or every 4,000 miles. It's compatible with cap-less gas systems and can help restore lost power and save gas.

• Twelve 5.25 fl oz bottles of STP Super Concentrated Fuel Injector Cleaner
• Fuel additive contains concentrated detergents for effective car care
• Dissolves and removes carbon, gum and varnish deposits that can be harmful to fuel injectors
• Jet fuel works as a carrier to deliver the active ingredients effectively
• STP fuel injector cleaner helps to prevent hard stops, lost acceleration and rough idling and helps save gas
• Use with every oil change or every 4,000 miles
• Compatible with gasoline engines including cap-less gas systems