The key to making the most out of an off-road truck's performance on the rough terrain favored by enthusiasts lies with suspension and chassis modifications. In order to cover rocky climbs, deep mudholes, and other rugged obstacles, off-roaders modify the truck to give added ground clearance and increased articulation. Here, the best off-road articles from Four Wheeler magazine have been compiled to create this in-depth guide to maximizing off-road performance of your four-wheel-drive truck or SUV. The book covers lift kits, aftermarket suspension additions, articulation tricks, and drivetrain modifications.