82-92 Camaro Firebird F-Body Caster Camber Plates Founders Performance plates replace the stock rubber strut mount bushings with a stainless steel spherical bearing, allowing you full control of the suspension geometry. Whether you want your alignment set for track, street, or strip, these plates will allow you to fine tune your suspension so you can get the most out of your car. The bearing mounts are completely adjustable and are 100% Pulse Mig welded for the ultimate in strength, durability, and fit. They also feature a special stainless steel replaceable teflon lined spherical bearing for a noise free quality ride. Now coming with a LIFETIME WARRANTY from the main plate bending.