Lucas Oil 10278 Engine Oil Stop Leak – 1 Quart Automotive Additive

Lucas Oil Engine Oil Stop Leak is a unique formulation of additives and base stocks engineered to stop leaks in engines. Its effectiveness extends to manual transmissions, gear boxes and valve stem seals. It is compatible with petroleum, semi-synthetic and full synthetic motor oils. Lucas Oil Engine Oil Stop Leak renews worn seals with no risk of damage or eventual corrosion as well as reduces engine noise and oil consumption, while raising oil pressure. It contains no harmful solvents.