Double Shear Super duty High Steer Arm. Artec Industries is excited to announce our new high steer arm For 05-12 Ford Super duty F-250 and F-350 trucks. This high steer arm is For use with the aftermarket Reid Racing Super duty knuckle available. Together, this arm and knuckle allow the user to correct steering problems that are common on lifted to mount tie rod and drag link Inch double shear, thus strengthening one of you vehicles most vital systemsFeatures: