Cybul Rear Adjustable Control Arms for Mazda MX-5 NA & NBAmong the lightest on the market these Cybul rear upper control arms for Mazda MX-5 NA and NB increase the rigidity of the suspension improve the vehicle's handling and offer precise rear wheel camber adjustment. They have been designed to allow clearing with frame even in cars with extremely low suspension.Developed using 3D CAD software these parts are made with ultra-light 4130 chrome-moly tubing and fitted with custom 90 ShA (very hard) polyurethane bushings that save an additional 80 g per control arm. These components come pre-assembled for easy installation.Contents:2 (left and right) 4130 control arms2 bolts with eccentric washers and nuts90 ShA polyurethane bushings