Keep your fuel injectors clean and your engine running smoothly with STP Super Concentrated Fuel Injector Cleaner. The concentrated detergent formula dissolves and removes harmful carbon, gum, and varnish deposits that build up on fuel injectors over time, helping restore lost performance.

• Super concentrated formula
• Dissolves carbon, gum, and varnish deposits on fuel injectors
• Helps eliminate hard starts and rough idling
• Improves acceleration and throttle response
• One bottle treats up to 21 gallons of gasoline
• Safe for all gasoline engines
• Use with every fill-up for best results
• 5.25 oz bottle

Tip: Add to a nearly empty tank, then fill up for best mixing and cleaning action.