Engine Stop Leak Car Additive engineered to condition aged elastomeric seals support seal flexibility and reduce minor oil seepage in engine oil systems

LUBEMAXX ENGINE STOP LEAK is an engine-oil additive formulated with a seal-conditioning component, highly refined base oil, detergent and dispersant technology. It is designed to condition elastomeric oil seals and support seal flexibility within the engine lubrication system, helping address minor oil seepage associated with aged or hardened seals. For use only in engine oil systems where a seal-conditioning additive is permitted. It is not intended to repair mechanically