RISLONE Rear Main Seal Repair 500ml

The Rislone Rear Main Seal Repair (500ml) is a specialized engine oil treatment designed to stop and prevent leaks from worn, hardened, or shrunken rear main seals. Its advanced seal-conditioning formula restores seal flexibility, helping eliminate oil leaks without costly engine disassembly. Compatible with gasoline and diesel engines, it works with conventional, synthetic blend, and full synthetic motor oils to provide reliable protection and extend engine life.