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Modern engines are susceptible to unique deposit and lubrication issues. Harsh deposits can lead to reduced performance and efficiency while excessive friction can lead to premature engine wear. Use STP® ULTRA 5 in 1 Fuel System Cleaner with our propriety blend of PEA and PIBA detergents to help remove harmful deposits and fight engine friction.


Use every oil change or 4,000 miles


  • 12 fl. oz. bottle treats up to 35 gallons of gasoline.


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