SUPERPRO 03+ 4RUNNER 07+ FJ CRUISER Front Control Arm Upper Complete Assembly - Fixed Offset - PT#TRC6480SUPERPRO 03+ 4RUNNER 07+ FJ CRUISER Front Control Arm Upper Complete Assembly Fixed Offset PT#TRC6480 E1 These arms fitted with Heavy Ball joints and SuperPro Bushes to reduce Arm movement. Getting the correct alignment is no longer a problem. The SuperPro Fixed Offset Upper Control Arm is an all in one solution for any vehicle that has been lifted between 40mm and 65mm (2. 5). Providing an increase between 2. 5 and 3. 5 degrees of caster and up to 1.