Spherical Control Arm Bearings (AKA Mono-Balls). A professional level solution for replacement control arm bushings on Lotus 111/211 chassis. Reduced friction and deflection in suspension articulation. Also eliminates axial migration common with OEM rubber bushings. Used by several of our customers in Lotus Cup USA competition cars, as well as by DRS in World Challenge winning Exige S.
Actual weight: 3.1lbs.