Torque Solution Rear Trailing Arm BushingsTorque Solution Rear Trailing Arm Bushings Applications: Subaru WRX STI 2008+, BRZ FR S 86 2013+, Forester 2008+ Torque Solution polyurethane trailing arm bushings replace the soft OEM inner rubber material that over time deteriorates and fails. These will provide improved traction and reduced wheel hop without too much vibration, as they are made from 75a durometer polyurethane and utilize stainless steel pins. *ONLY 1 kit needed per car. Eliminates