The adjustable rear upper arm from Hardrace is fully adjustable and is equipped with the harden rubber which provides a solid feeling and an improved steering response.Harden rubber equippedMade to high quality standardsSuperior strength and durabilityHardrace specialise in designing and manufacturing reinforced suspension products that are widely used in race and performance applications. Using the latest materials and technology from performance bushing to anti dust pillow ball suspension arms. All the products are tested by professional racing drivers on track where the products are under the most extreme conditions, providing accurate feedback to give outstanding performance.All Hardrace products will improve and reinforce the chassis of the vehicle and will not affect the original chassis specifications. All parts are examined with a rotor less rheometer and tensile strength tester to ensure quality and stability. Each of the components are designed to be a direct replacement to t