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 50mm (2") and 100mm (4). Providing an increase of 1.0 of caster and up to 0.5 of negative camber increase (figures quoted are based off a 75mm Lift) along with greater clearance to the coil over strut and more articulation of the arm. Key Features ¢ Fixed offset alignment correction arms ¢ In-built camber and caster change to suit lifted vehicle ¢ Increased clearance between spring and Control Arm at full articulation ¢ Heavy Duty ball joint ¢ SuperPro Bushings