Gumout Regane 510013 Series Fuel System Cleaner Yellow, 6 oz Bottle, 0.88 Relative Density

The more an engine is driven, the more carbon deposits can build-up on fuel injectors, intake valves and ports. Gumout high-mileage fuel-injector Cleaner is specially-formulated to remove carbon deposits from engines with over 75,000 miles for restored engine performance and fuel economy.