FW-2 : FW-88 : Fluid Weld
Fluid Weld is used for cast iron or aluminum heads and blocks. Use as a sealant for threaded or press-fit parts such as valve guides and seats, threaded crack repair plugs, replacement studs, etc. Fluid Weld seals small cracks will withstand temperatures to 3000ºF. Non-flammable. Non-toxic. NOT for use on assembled engines.
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