Torque Solution Solid Steering Rack BushingsTorque Solution Solid Steering Rack Bushings Applications: Subaru STI 2015 2021 Torque Solution Solid Steering Rack Bushings for Subaru STI 2015 2020. Made from CNC'd 6061 billet aluminum and then anodized black for corrosion resistance. These are designed to replace the OEM rubber bushings, which are soft and wear out over time. Our kit will give you a more solid and direct steering feel resulting in better steering response and feedback. Billet