Rock Krawler coilovers offered as the Trail Runner system for 2021+ Jeep Wrangler JT diesel applications are the shock-and-spring assemblies tailored to the X Factor 3-inch lift platform. As the Trail Runner option they integrate with the system to provide the intended coilover fit and function for lifted Wrangler JTs, preserving designed suspension geometry within the Trail Runner configuration.
Rock Krawler 2021+ Jeep Wrangler JT (Diesel) 3in X Factor Pro Aluminum Trail Runner System