The SPC - Toyota Celica GT/GT-S ZZT - EZ Cam 15mm Adjustable Rear Camber Bolt Set is designed to replace the upper OE strut/spindle bolt on 00-06 Toyota Celica GT, GT-S models. Its simple rotation of the bolt head allows for an easy adjustment of up to 1.5 degrees of camber on either side of the front of the vehicle.