MotorPower Care's Oil Stop Leak & Stop Smoke is a uniquely formulated engine oil additive, designed to fix and prevent oil leaks from valve stem seals and other minor engine oil leaks. It also aids in reducing or eliminating excessive exhaust smoke caused by oil burning, ensuring cleaner emissions and enhanced engine performance. This professional-grade solution is safe for all gasoline and diesel engines, offering long-term protection without damaging engine components. Unlike some aggressive stop-leak products, MotorPower Care preserves essential lubrication properties, preventing wear and tear over time.