CRC K&W 401016 Block Seal Permanent Metallic Block & Radiator Seal, 16 Oz

FEATURES

• Permanent molecular seal that’s as strong as steel
• Seals cracks & holes in cast iron and aluminum engine blocks, head gaskets, freeze plugs, and copper, aluminum and bi-material radiators & heater cores
• For use in all water-cooled diesel and gasoline vehicles
• Withstands extreme pressure and temperatures of a cooling system and will not wash away
• Professional grade formula exceeds ASTM D6107 for effectively sealing leaks in cooling systems

DESCRIPTION

Forms a permanent molecular bond that's as strong as steel. Seals cracks & holes in cast iron & aluminum engine blocks, head gaskets, freeze plugs, & copper, aluminum & bi-material radiators & heater cores. Tested by an Independent test lab. Rated No.1

APPLICATIONS

• Aluminum Engine Blocks
• Cooling Systems
• Cylinder Heads
• Engine Blocks
• Freeze Plugs
• Head Gaskets
• Heaters Cores
• Iron Engine Blocks
• Metal Radiators
• Plastic Radiators
• Radiators
• Water Pumps