Polytron GDFC cleans entire fuel system, including injectors, intake valves, ports, valve seats and combustion chamber. When used regularly, exhaust pollutants are reduced considerably.
 
Polytron Ultra Performance Gasoline / Diesel Fuel Conditioner (GDFC) is scientifically designed fuel enhancer that improves combustion, cleans and lubricates the working parts of the fuel system and the upper part of the engine
 
Applications: 2 fl. oz for every 15 gallons fill up.