Permanently seals leaks in the head, head gasket, engine block, radiator, heater matrix and water pump.

Product Features:

• No Draining
• No Flushing
• Permanently seals holes and cracks
• Works on Head Gaskets, Radiator, Heater Cores, Freeze Plugs, Water Pump Casings, Cylinder Heads & Cracked Blocks.
• Safest, easiest, cost-effective, trade trusted & proven product.
• Continues to work, finding & repairing new leaks
• Can be poured into a warm or hot engine.
• Will not clog or damage any part of the cooling system
• Will not clog water jets
• Independently tested to ASTM D-3147