HARDRACE ADJUSTABLE REAR UPPER CAMBER ARM WITH SPHERICAL BEARINGS 2PC SET MAZDA MX5 MIATA ND 15-HARDRACE camber kit reduces tire wear and increase tire durable. Made with superior quality bushing, provide advanced stability and accurate response steering, especially during high speed driving and cornering.. One piece, OE design. Provides stability. Assists to reduce chassis twist and flex.. Increases steering response. ED process and painting for extended control arm life