Fix poor or non-working engines with Mechanic In A Bottle. This synthetic fuel additive works in all 2- and 4-cycle gasoline engines. Mechanic In A Bottle rejuvenates your equipment's fuel system so that it starts efficiently and operates in top condition. To prevent engine problems, use Ethanol Shield fuel preservative designed especially for todays modern fuels.
- Removes all varnish in the fuel system without having to remove the carburetor
- Removes water Reconditions rubber and plastic components
- Revitalizes old fuel