Ideal for off-road driving, towing and street applications, Rancho? RS5000? steering stabilizers enhance a vehicle*s performance and minimize on- and off-road driver fatigue by reducing wheel shimmy, bump steer and vibration.\nRancho RS5000 RS5410 Steering Damper\n2000-2005 Ford Excursion (Front) (Drive: 4WD / Qualifier: Single Steering Damper, with OEM Steering Damper Mounts); 1999-2004 Ford F-250 Super Duty (Front) (Drive: 4WD / Qualifier: with Rancho Suspension System, Dual Steering Dampers, Must use with RS64550 Steering Damper Mounting Kit, Single Steering Damper, with OEM Steering Damper Mounts); 1999-2004 Ford F-350 Super Duty (Front) (Drive: 4WD / Qualifier: Single Steering Damper, with OEM Steering Damper Mounts, with Rancho Suspension System, Dual Steering Dampers, Must use with RS64550 Steering Damper Mounting Kit); 1999-2004 Ford F-450 Super Duty (Front) (Qualifier: Single Steering Damper, with OEM Steering Damper Mounts); 1999-2004 Ford F-550 Super Duty (Front) (Qualifier: Single Steering Damper, with OEM Steering Damper Mounts)