STP® Gas Treatment

Gas treatment. STP Gas Treatment bottle

Improves the quality of gas and keeps fuel injectors and intake valves clean.

STP® Gas Treatment improves the quality of gas by adding powerful cleaning agents that help fight the accumulation of harmful carbon, gum and varnish deposits in the fuel system that can reduce performance. Also engineered to remove water, which can lead to fuel line freeze. This product is made with jet fuel, a high-quality carrier of active ingredients.

Improves Quality of Gasoline to Help

Deep cleans fuel system and helps

Usage Frequency

Use regularly when you fill up.

Treat Rate

  • 5.25 oz. bottle treats 21 gallons
  • 12 oz. bottle treats 28 gallons

Take Note!

STP® Gas Treatment is safe for all gasoline engines.

Not sure which Fuel Additive to use?

Click here to view our comparison chart