Motor Medic® Heavy Duty Engine Block Seal, 12 oz- C616

Rejuvenates corrosion inhibitors Helps protect against rust, corrosion & scale Neutralizes harmful acids and protects against foaming Lubricates water pump and thermostat

Removes grease & scum Loosens rust & scale Compatible with all cooling systems 284°F minimum wet boiling point Meets or exceeds FMVSS No. 116, exceeds S.A.E. Specs J1703

Increases Cooling System efficiency Removes rust, scale and deposits that can cause clogging Safe for use on plastics and all metals

Helps stop leaks by conditioning seals Forms a tough, durable seal Holds up to extreme heat, vibration and pressure