VELOTAC C28 SYSTEM CLEAN is a Complete Fuel System Cleaner formulated to provide complete system cleanup from fuel injector and intake valve deposits to combustion chamber deposits.  From one end to the other, this one-tank cleanup of fuel injectors, intake valves and combustion chamber deposits ensures proper spray atomization of fuel into the combustion chamber. This helps maximize combustion efficiency and to remove deposits that can compromise performance, power and fuel economy.