thanks big1 thats really all i needed to hear cause i already have been thinking about replacing it. i know summit very well, just didnt know about the brake valve.
89f150 the rear is all steel lines but when i tried to put steel lines on the front they kept breaking off when i went around a corner.
the only place that isnt steel is the 6" flex that runs to the front calipers.
i never used stainless but i am pretty sure it takes a special flaring tool that i dont have.
something along the lines of a different degree flare.