Lucas Engine Oil Stop Leak is a unique formulation of Lucas additives and base stocks designed to stop leaks in engines. It is also an exceptional additive for worn and older engines, reducing engine noise and oil consumption while raising oil pressure. It contains no harmful solvents and can actually extend engine oil life by 50% or more.
Monarch Bearing Co. offers a 30-day Return Policy on every item we sell. Please see Terms of Sale & Return Policy for more specific details.
