SPL Front Lower Control Arms Scion FR-S / Subaru BRZ / Toyota FT86SPL Parts Front Lower Control Arm (FLCA) kit includes Black Anodized CNC machined Billet 6061 T6 Aluminum Lower Control Arms and 2024 Aluminum Trailing Links that provide track width, camber, caster, roll center, and anti dive adjustment. This is the ultimate tool for setting up the front end of the FR S BRZ FT86 chassis for racing, drifting or street use. No more jam nuts!! Long gone are the days of fumbling with multiple wrenches to tighten jam nuts