Holts SEALit Leak Repair 250ml - Professional Radiator & Coolant Leak Sealer for Engine, Cylinder Head, Head Gasket, Freeze Plugs, Water Pump Gaskets, Radiators Red - 1 Pack 250ml

Professional Leak Repair: Seals leaks in engine blocks, cylinder heads, head gaskets, freeze plugs, and water pump gaskets quickly and permanently. Easy Pour-and-Go Formula: No draining or flushing required-simply pour into the radiator or expansion tank for instant results. Safe and Non-Clogging: Specially designed to work without clogging or damaging your engine, radiator, or cooling system components. Corrosion Protection: Provides long-term protection against rust and corrosion, extending the life of your cooling system. Compatible with All Coolants: Works with all types of coolant and antifreeze. One 250ml bottle treats up to 21 liters of coolant capacity.