Check the listing for details. Hapco Products - Fuel Injector Cleaner - LUBRICATES INJECTOR PUMP INSTANTLY!. Condition: New. Listed at 27.49 USD. Fuel Injector CleanerQuickly stops surging, stalling, hesitation and sluggishness by thoroughly cleaning and lubricating fuel injectorsRemoves combustion chamber deposits that can cause knock, ping, run-on and start difficultiesFormulated to restore performance, reduce fuel emissions and stabilize fuelOne bottle treats up to 25 gallonsSafe for all gasoline, diesel and marine enginesHapco Fuel Injector Cleaner quickly stops surging, stalling, hesitation and sluggishness by thoroughly cleaning and lubricating fuel injectors. Removes combustion chamber deposits that can cause knock, ping, run-on and start difficulties. Formulated to restore performance, reduce fuel emissions and stabilize fuel. Sensor safe and will not harm catalytic converter. For Best Results: Add one 16 oz. bottle of Fuel Injector Cleaner directly to fuel tank. One bottle treats up to 25 gallons. Repeat as necessary (average of 3000 miles). Safe for all gasoline, diesel and marine engines. Size - 16 oz. Part No. - 2800 Made In USA - Money Back Guarantee - Proven Results Since 1960 Visit HapcoProducts.com to learn more!