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. Performance is the name of the game when it comes to racing. STP Racing Series Octane Booster is the official octane booster of Richard Petty Motorsports. STP Racing Series Octane Booster is not legal for street use.

STP Racing Series Octane Booster, 16 fluid ounces:

• Formulated to help maximize horsepower

• Formulated to help reduce knocks, pings and hesitation

• Formulated to help clean fuel injectors

• Formulated to he help lubricate upper cylinder

• Made with MMT, not street legal

• 16 fluid ounce bottle treats 18 gallons of gasoline