The ICON Vehicle Dynamics 2005-2007 Ford F-250 and F-350 Super Duty 4.5" Lift Box kit contains many of the miscellaneous parts required to lift the vehicle when using an ICON 4.5" suspension system. This kit features fabricated, extended front sway bar links with polyurethane bushings to correct sway bar angle and prevent bind through the full range of suspension travel. CNC machined aluminum front bump stop spacers properly limits suspension compression travel to avoid damage during spirited off-road driving. Brake line drop brackets allow for an easy install without the need to open up the brake system. Wheel with confidence that these components are backed up by ICON's Limited Lifetime Warranty.