Make rear camber on the Mazda3 adjustable for life with this adjustable lower control arm and extended range to cam kit. The remove and replace camber arm provides +-3.0deg of change and the included extended range to cam will get toe back to specificationthrough the entire camber range. Whether you need to adjust to correct for handling and tire wear issues, the track, or stance this is the kit for you. Use rotary file #85130 to extend the factory toe slot and take advantage of the full throw provided bySPC's extended toe cam bolt. California Residents WARNING