These Painless Performance weatherproof extreme condition terminal kits feature high-grade copper terminals, covered in special heat-shrink tubing that will not crank under high temperatures. Heat activates the adhesive to waterproof the connection and relieve wire strain. They are impervious to gas, antifreeze, battery acid, diesel fuel, and saltwater. All terminals are a simple crimp-on style and exceed UL and CSA requirements.
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