STP Ultra 5in1 is our most advanced additive. The composition includes the new STP WEARGUARD technology, which, together with cleaning, power-increasing, friction-reducing and corrosion-preventing ingredients, acts as a power cleaner for the fuel system. The following benefits for the motorist: save fuel, restore performance, remove scale and impurities, reduce wear and prevent corrosion.
- Suitable for all diesel engines, e.g. DI, IDI, Common rail, and for catalysts
- Safe to use with other STP additives
- Pour the contents of the entire bottle into a full tank (enough to process 50-60 liters) every 6400 km