STP Fuel System Cleaner for Ethanol Fuels, 5.25 fluid ounces, 15490

For over 60 years, and for more miles than anyone can count, STP has been one of the most trusted names in automotive care. Like regular gas, ethanol fuels can leave deposits on intake valves and fuel injectors that further reduce fuel economy. Rust and corrosion may also form and damage fuel system components. STP Fuel System Cleaner for Ethanol Fuels helps prevent rust and corrosion, and removes deposits that can reduce engine performance.