Rancho 99-18 Chevrolet Pickup / Silverado 1500 1/2 Ton Rear RS5000X Shock1994 2001 Dodge Ram 1500 (Rear) (Drive: 4WD Qualifier: without Off Road Package, with Rancho Suspension System, with Rear Raised Height 2. 0 (in) to 3. 0 (in), with Off Road Package, with Rear Raised Height 0 (in)); 1994 1996 Dodge Ram 2500 (Rear) (Drive: 4WD Qualifier: with 7,700 (lb) Gross Vehicle Weight (GVW), with Rancho Suspension System, with Rear Raised Height 2. 0 (in)); 2007 Chevrolet Silverado 1500 Classic (Rear) (Front Spring: Torsion Bar