OSUS LCS-9800 Professional Engine Cleaner The smart solution to restore engine power and efficiency with the latest advanced cleaning technologies. The device deeply removes deposits and carbon from the engine cycle, which helps improve performance, reduce fuel consumption, and extend engine life. ✔ Comprehensive cleaning of all engine parts ✔ Compatible with GDI direct injection systems ✔ Suitable for 4 / 6 / 8 cylinder engines ✔ Powerful performance and fast, effective results