
Keep your engine running smoothly and prevent deposit buildup
A functional fuel additive designed to improve the quality of gasoline and help prevent fuel line freeze. It works to prevent deposit buildup in the engine and is compatible with cap-less fuel tanks.
STP was founded in 1953 in Saint Joseph, Missouri, by Charles Dwight Liggett, Jim Hill, and Robert De Hart, specializing in automotive lubricants and additives. The brand is globally recognized for its long-standing association with motorsports and performance-boosting engine care.