Buy it by the case and save! Regular price = $6.49 each. Case price = $5.00 each x 6.
Tested by independent labs as The No. 1 Permanent Metallic Engine Block Sealer. Forms a permanent molecular seal as strong as steel. Guaranteed to seal holes and cracks in: cast iron and aluminum blocks; head gaskets and freeze plugs; copper, aluminum, and plastic bi-material radiators and heater cores. Will not break away or wash out. (Not a temporary patch). Treats 6-cylnder and larger engines.
