1980-2018 Ford F250 Full Extended Pro Comp Shocks 2WD 4WD Drivetrain:4WD They are a twin-tube construction

They are a twin-tube construction with a hardened piston rod vs

Notes: 4WD models only

IMPORTANT: Will not fit special XL Models or Extended Cabs

*Will not FIt 2wd unless you have the z71 model (with a torsion bar suspension)

1980-2018 Ford F250 Full Extended Pro Comp Shocks 2WD 4WD Drivetrain:4WD They are a twin-tube construction2x Front ProComp Extended Shocks 2x Rear ProComp Extended Shocks Installation Instructions These are top of the line shocks are engineered with performance in mind. They are a twin tube construction with a hardened piston rod vs. the factory single tube construction and contain a 10 stage velocity sensitive valving which provides amazing comfort AND toughness. We guarantee you will notice the difference in performance over your factory shocks. NOTES: