![Icon Vehicle Dynamics 66513 05-UP FSD 4WD 4.5IN FRONT 2.0 VS IR Fits select: 2005-2022 FORD F250, 2005-2022 FORD F350](http://roco4x4.com/cdn/shop/files/9ad8ea24597d36789d9f80dbb9e37ab5_4438b9f7-9b7e-4750-81b2-e563d0408493_800x600.jpg?v=1715324769)
![Icon Vehicle Dynamics 66513 05-UP FSD 4WD 4.5IN FRONT 2.0 VS IR Fits select: 2005-2022 FORD F250, 2005-2022 FORD F350](http://roco4x4.com/cdn/shop/files/9ad8ea24597d36789d9f80dbb9e37ab5_4438b9f7-9b7e-4750-81b2-e563d0408493_800x600.jpg?v=1715324769)
Description
Premium grade 5WT shock oil for consistent suspension damping along a wide temperature range; 100% revalveable; Nitrogen charged monotube design with internal reservoir3; One piece linear/digressive piston design with vehicle specific valving for unsurpassed performance and ride quality on and off-road; 5/8†chrome plated hardened steel shaft resists corrosion and pits; 6061 aluminum rod end, top cap, and internals ensure strength and durability; Polyurethane bushings, zinc plated sleeves, and forged steel mounting stems for OE factory type fitment; 6063 anodized aluminum body and reservoir tubing for superb heat dissipation, excellent corrosion resistance, and high-tech appearance; Nitrile rubber top out bumper for noise free operation; 100% rebuildable