Originally Posted by LINCOLN

All copper lines are not created equal. "They Say" not to use pure copper lines in automotive applications because they can become brittle. Brittle leads to cracks, leads to leaks, leads to fires, which are considered A Bad Thing. CuNiFer is an alloy of Copper, Nickle and Iron.


"Cunifer is seamless, copper nickel alloy DOT approved brake line used for OEM and replacement brake lines, fuel lines, power steering and cooling lines."