Hi-Gear DIESEL TUNE-UP & CETANE BOOST (for 70 - 90 L). It increases the cetane number on 6 points in average. It efficiently cleans injectors, nozzles, combustion chambers, valves and piston bottoms from soot. It ensures additional lubrication of fuel system parts and extends their service life. It sharply improves dynamic properties and responsiveness of the car. It makes the engine start easier. It reduces fuel consumption, hazardous emissions and smokiness.