2011-2021 Ram 2500 SLT ST Laramie Big Horn Lone Star Outdoorsman Laramie Longhorn Power Wagon Limited Tradesman Laramie Limited (Front, Rear) (Front Spring: Coil & Rear Spring: Coil & Drive: 4WD / Qualifier: with Rancho Suspension System, with Front Raised Height 2.5 (in), with Front Raised Height 0 (in), with Rear Raised Height 0 (in), Use with Rancho RS66451R9, RS66454R9 System(s)); 2011-2019 Ram 3500 (Front) (Body: Standard Cab Pickup, Crew Cab Pickup, Extended Crew Cab Pickup & Drive: 4WD / Qualifier: with Rancho Suspension System, with Single Rear Wheels (SRW), with Front Raised Height 2.5 (in), Use with Rancho RS66451R9, RS66454R9 System(s)); 1994-2010 Dodge Ram 2500 Sport SLT SXT ST Laramie TRX4 TRX Power Wagon (Front) (Drive: 4WD / Qualifier: OE Position Shock, with 8,800 (lb) Gross Vehicle Weight (GVW), with Front Raised Height 2.0 (in), with Rancho Suspension System, with Front Raised Height 2.0 (in) to 2.5 (in), with Front Raised Height 0 (in)); 2003-2010 Dodge Ram 3500 (Front) (Body: Standard Cab Pickup, Crew Cab Pickup, Extended Crew Cab Pickup & Drive: 4WD / Qualifier: with Rancho Suspension System, with Single Rear Wheels (SRW), with Front Raised Height 2.5 (in)); 2005-2022 Ford F-250 Super Duty (Front) (Drive: 4WD / Qualifier: with Rancho Suspension System, with Front Raised Height 4.0 (in), with Front Raised Height 4.0 (in) to 5.0 (in)); 2005-2020 Ford F-350 Super Duty (Front) (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Drive: 4WD / Qualifier: with Rancho Suspension System, with Front Raised Height 4.0 (in), with Front Raised Height 4.0 (in) to 5.0 (in))