The upper arm shape conforms around the inner surprise position for appropriate clearance without compromising power and improve steering and both forward traction and lateral traction. This design improves durability and removes radial play for optimum precision and control from the upper arms. Top of the hands are created utilizing a CFF™ - Carbon Fiber Fusion, for outstanding handling. Smooth supply generates more mechanical traction regarding the car and improves side traction. Suitable for very low & low traction asphalt and carpet tracks. The softer supply is slightly more fragile. This upper supply will fit in the front side right, plus the back left part associated with the automobile. Soft hardness.