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FAQ'S
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K&W Metallic Block Sealer - 16 oz.
KWLL401016
- Forms a permanent molecular bond that's as strong as steel.
- Seals cracks & holes in cost iron & aluminum engine blocks, head gaskets, freeze plugs, & copper, aluminum & bi-material radiators & heater cores. Tested by an Independent test lab.
- Rated No. 1
