Torque Solution Adjustable Rear Upper Traction ArmsTorque Solution Adjustable Rear Upper Traction Arms Kit is designed to allow you to dial in and fine tune the rear bump steer and anti squat characteristics of your Model 3 2017+ Model Y 2020+. Our arms will reduce bushing deflection caused by the OEM bushings with the use of the PTFE line FK rods ends resulting in better response, stability and reducing wheel hop. We chose to use 7075 billet aluminum for its increased strength over 6061 due to the