Do you need new control arms for a 6 inch lift?
Do you need new control arms for a 6 inch lift? Bottom Line. If your truck has stamped steel upper control arms and you want to level or 6″ lift your truck—you will need to install either an aftermarket upper control arm OR purchase the factory aluminum upper control arms to replace your stamped control arms. How do I get a free upper control arm? Use a 18mm wrench or socket loosen and remove the nut on either side of the arm. After both nuts have been removed slide the bolts from the control arm mounts while keeping the adjusters...