FIVE STAR Tune Up cleans all internal engine parts of hard oil deposits, cleans screens & lines & flushes out deposits.
Directions for Use
When adding Five Star Engine Tune Up be sure engine is running and oil is warm. For maximum results, drive car approximately 100 km. If results are needed before driving, set engine at fast idle and allow 15 minutes for results. The amount of oil in the engine does not have to be low before adding contents.