Engine Oil Stop Leak Additive 1 Quart Treatments Up to 6 Quart for Engine Mainte

11100 Engine Oil Stop Leak - Top Off Additive - 1 Quart. 1 quart treats up to 6 quart capacity. Conditions seals and o-rings to stop oil leaks. Contains state-of-the-art components to reduce friction and wear and extend engine life.