Bilstein Shock Absorber; 5100 Ride Height Adjustable; 46 Millimeter Monotube; Gas Charged; Without Reservoir; Limited Lifetime Wa 24239363 Kit includes Front Ride Height Adjustable and matching Rear 5100 Series Shock Absorbers. Front shocks adjustable from 0-2" of lift. Rear accomodate up to 2" of lift. Kit fits Ford F-150 4WD 2004-08 Easy to install; direct bolt-on; no modification required. Lifetime Warranty