The combination of cross shaft design and the shortened overall A - arm length gives you a improved camber curve through the front suspensions range of motion.BMR Suspension AA014 Non - Adjustable Lower A - arms are available in black hammertone and red powdercoat for long - lasting good looks. Installation time is 3 - 4 hours. Proudly made in the U.S.A.Control arm hardware kit RH009 (Includes upper and lower control arm hardware - Highly Recommended) also available.