Torque Solution Add to Cart Torque Solution Billet TPMS Valve Stem Kit (Silver) 2008+ Subaru Legacy Impreza WRX / STi - TS-SU-558S-4 MSRP: Was: Now: $36.65 Torque Solution Billet TPMS Valve Stem Kit (Silver) 2008+ Subaru Legacy Impreza WRX / STi