Consisting of a pair of specially - designed bolts, HR patented Triple C Camber Adjustment Bolts replace the original upper fastening bolts on McPherson strut applications. As the bolt is turned, a small cam eccentric alters the vehicle's camber, allowing adjustments from 0 - 3 degrees, posiTUVe or negaTUVe. When you lower a vehicle's ride height, negaTUVe camber is increased how much depends on the vehicle and the reduction in ride height. HR Triple C Camber Adjustment Bolts are a simple, yeTUVery effecTUVe means of removing excessive camber, adjusting your vehicle's camber settings, or even correcting small side - to - side camber variations for precise alignment. Installation takes only minutes with readily available hand tools, and benefits include increased tire life, improved tracking and the ability to dial in more camber for weekend track events.