These rear traction rods available for the Mazda RX8 chassis are an excellent upgrade. With its adjust ability you are able to carefully tune the vehicle s rear suspension to your specifications. The pillow ball ends replace the stock rubber bushings on the chassis and offers you a more direct and predictable feel that you require in competition. The adjustability and feel is also backed with the comfort that your stock thin tension rods are now replaced with thick steel constructed arms that can withstand the stresses of competition.