STP Gas Treatment is a super concentrated fuel additive that improves the quality of gasoline and helps keep your engine running smoothly. The powerful cleaning formula fights harmful carbon, gum, and varnish deposits throughout the fuel system while helping prevent fuel line freeze in cold weather.

• Super concentrated formula cleans the entire fuel intake system
• Fights carbon, gum, and varnish deposit buildup
• Helps prevent fuel line freeze in winter
• Engineered to remove water from the fuel system
• Made with jet fuel for superior cleaning power
• Safe for use at every fill-up in any gasoline engine
• One 5.25 oz bottle treats a full tank of gas