Reduces exhaust smoking and decreases metal-to-metal contact by providing a thick oil cushion.

One of the most recognized brands in racing, STP® has a long history in the world of motorsports, and of providing trusted performance products. STP® Racing Series Octane Booster is scientifically formulated using a combination of powerful ingredients to maximize performance and eliminate the pre-ignition that can occur with lower-octane gasoline.

TREAT RATE
16 fl. oz. bottle treats 18 gallons of gasoline.