🛠️ Keep your engine purring with confidence! Long-lasting formula conditions seals and o-rings to effectively stop oil leaks. State-of-the-art components reduce friction and wear, extending your engine's life. Utilizes effective seal swell agents to rejuvenate hard and shrunken seals and gaskets. One quart treats engines with up to 6 quart capacity, maximizing your investment. Works with any vehicle featuring an internal combustion engine and compatible oils. Treats up to 6 quarts Long-lasting seal conditioning Reduces friction & wear Lucas Oil Engine Oil Stop Leak Top Off Additive is a powerful solution designed to condition seals and o-rings, effectively stopping oil leaks while extending engine life. Compatible with all internal combustion engines and various oil types, this 1-quart bottle treats engines with capacities up to 6 quarts, making it a must-have for any vehicle owner.