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 55mm. Providing an increase between 2.5 and 3.5 degrees of caster and up to 1.5 degrees of negative camber increase (figures quoted are based off a 40mm 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