Every TRW part has four levels of testing/technical/audit review before approval is given including endurance testing of 500K cycles Made with thermoplastic to increase flexibility and avoid cracking, providing a superior lifespan Low friction design restores steering and suspension systems back to their original operating performance For confirmed fitment of this TRW Suspension Stabilizer Bar Bushing Kit please verify your vehicle with the Amazon 'Check Fit' option Fits: Subaru Baja: 2003 - 2006, Subaru Forester: 2003 - 2008, Subaru Impreza: 2002 - 2007, Subaru Legacy: 1996 - 2004, Subaru Outback: 2000 - 2004