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, brings the following benefits to the motorist: saves fuel, restores performance, removes rust and impurities, reduces wear and prevents corrosion.
- Suitable for all modern and old petrol engines and catalytic converters
- 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