Front lower control arms: Determine your roll center, track width, and camber curve. The actual arc these move in is the camber curve (as dictated by the tension rod).- Front lower control arms included tension rods. Comes with tension rods for complete adjust-ability for your FR-S/BRZ. Applications and feature:- Scion FRS 2013+, Subaru BRZ 2013+- Pillowball bushings- Caster adjustment- Camber adjustment- Replaces soft factory bushings- Racing purposes, off road use only