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 RS5421 Steering Damper\n2008-2010 Ford F-250 Super Duty (Front) (Drive: 4WD / Qualifier: with OE Steering Damper); 2008-2010 Ford F-350 Super Duty (Front) (Drive: 4WD / Qualifier: with OE Steering Damper); 2008-2010 Ford F-450 Super Duty (Front) (Qualifier: with OE Steering Damper); 2008-2010 Ford F-550 Super Duty (Front) (Qualifier: with OE Steering Damper)