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Permanent Metallic Block and Radiator Seal (16 oz.)
The No. 1 Quality Permanent Engine Block Sealas tested by an independent lab! This Permanent Metallic Block Seal is guaranteed to seal holes and cracks in cast iron and aluminum engine blocks and cylinder heads, head gaskets, freeze plugs, and copper, aluminum, all metal, plastic and bi-material radiators and heater cores. It forms a permanent molecular seal (not a temporary patch) that is as strong as steel. It will not break away or wash out. Treats six-cylinder and larger engines and can be used with gas or diesel engines. When using this product, add to water only...NOT to antifreeze or oil! Treats cooling system with a capacity of 6 gallons or less.
SKU: crc401016d
Category: Car Care Products
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