The Rock Krawler X Factor 3.5-inch suspension system for 2011–2016 Ford F-250 and F-350 4x4 trucks delivers a matched kit of suspension components sized for a 3.5-inch lift. The overview emphasizes a complete system approach, with the kit including the component boxes and hardware intended for those model years and four-wheel-drive configurations.
Rock Krawler 11-16 Ford F250/F350 4x4 3.5in X Factor Suspension System