Engineered to remove tough deposits in fuel systems.
Cleans injectors, carburetors, fuel pumps, valves & rings.
Simple to use; add to fuel and run engine.
Combines Star Tron enzymes with powerful cleaning agents.
Treats up to 40 gallons.
Safe to use in Star Tron treated fuel.


*Free to the contiguous United States consisting of the 48 adjoining U.S. states plus Washington, D.C., on the continent of North America. Free is not available to non-contiguous states of Alaska and Hawaii, US Protectorates, or APO, FPO or DPO locations. Photos are for reference only. Actual product may differ from the item shown in photograph.