STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer (20 fluid ounces)

Scientifically engineered using advanced cleaning technology to keep all your engines running in top form. It contains 3X the amount of cleaning agents vs the leading premium gasoline to remove an average of 61%** of harmful intake valve deposits and restore an average of 95%*** of the original injector performance. This product also contains fuel stabilizer to help keep fuel fresh during storage. Compatible with gasoline engines (2&4 stroke), inclusive of boats, motorcycles, and lawnmowers. STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer (20 fluid ounces)

Restore operational efficiency Reduce emissions Prevent ethanol deposits Inhibit corrosion Reduce friction