STP Octane Booster

Restores performance! Made with jet fuel! 1 bottle = 1 use. Treats up to 21 gallons. Choose the STP products that are right for you, to help - restore power & fight engine knock. America's Leading Fuel Additive Maker! Use regularly when you fill up. STP Octane Booster helps: restore lost power and acceleration; fight knock and ping due to auto-ignition; reduce need for higher octane fuels. 100% satisfaction guaranteed or your money back. STP does not manufacture any private label products. Questions or Comments? 1-888-Go4-Stp1 in the USA. Made in the USA.