sifting through threads came across one about these control arms http://www.speedwaymotors.com/p/2121,25 ... assis.html i read 2 right arms need to be ordered what i would like to know ----- do the ball joints fit in stock knuckles also looking at the pics they thread in the arm another thing on my mind they come in 8" and 8.5" which one works and lastly is the 6 7/8 " measurement correct thanks
