HELPING ENGINES RUN BETTER

LONGER SINCE 1954

STP^® ULTRA 5-IN-1 FUEL SYSTEM CLEANER

Deep-clean your entire fuel system and lubricate engine parts with the most advanced STP^{^®} Fuel Additive formula ever made.

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SEE HOW STP^® FIGHTS HARMFUL ENGINE DEPOSITS

Join our Automotive Scientists in a test facility and watch our products be put to the test. Get scientific proof of how STP^{^®} can help remove deposits and help get your vehicle running better longer.

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NOT SURE WHICH STP^® PRODUCT TO USE?

Harder to start your car lately? Knocking and pinging noises coming from under the hood? Check out our Product Navigator to determine which of the many STP^{^®} products are best for your ride.

PRODUCT NAVIGATOR

MEET THE STP^® RACING FAMILY

When Richard Petty rolled into Victory Lane at Riverside International Raceway during the 1972 Cup season opener, STP^{^®} was on the car, and we’re still on it today.

STP^{^®}, one of the most recognizable brands in all of motorsports, has continued to perform on the track and on the street for more than four decades.

FIND OUT MORE

HELPING ENGINES RUN BETTER LONGER SINCE 1954

STP® ULTRA 5-IN-1 FUEL SYSTEM CLEANER

SEE HOW STP® FIGHTS HARMFUL ENGINE DEPOSITS

NOT SURE WHICH STP® PRODUCT TO USE?

MEET THE STP® RACING FAMILY

HELPING ENGINES RUN BETTER

LONGER SINCE 1954

STP^® ULTRA 5-IN-1 FUEL SYSTEM CLEANER

SEE HOW STP^® FIGHTS HARMFUL ENGINE DEPOSITS

NOT SURE WHICH STP^® PRODUCT TO USE?

MEET THE STP^® RACING FAMILY