Rancho RS5000 High-performance Shocks - RS5000� HIGH-PERFORMANCE SHOCK 10-stage velocity-sensitive valving blends on-road comfort and off-road control Expanded design increases fluid capacity while greatly reducing internal temperatures Provides exceptional performance on either stock or lifted light trucks and SUVs Additional features: double-welded mount; twin-tube cellular gas design; ball sized and burnished DOM pressure tube with double-wall construction; 1-3/8" diameter full displacement piston with glass-filled Teflon� piston seal; internal rebound bumper; 5/8" diameter hardened, double-chromed rod; 240-hour salt spray-resistant exterior finish; tough, resilient accordion-pleated red rubber shock boot (included) provides all-weather protection against dirt and grime. Shock is available for most 2- or 4-wheel drive domestic or imported light trucks and SUVs with stock or lifted suspensions (up to 4" maximum, depending on application). Limited lifetime warranty. Applications:2000-2001 Ford F-Series Pickup F150 4WD 1/2-ton with 7;700 GVW; Lifted Height: 0"