Rock Krawler coilovers for 2021–present Jeep Wrangler JT diesel models are described as the 4.5-inch X Factor Pro No Limits coilover system. Intended as the Pro coilover option within the X Factor product line, this set is specified for JT diesel Wranglers from 2021 and up and aligns with the Pro aluminum system naming in the source.
Rock Krawler 2021+ Jeep Wrangler JT (Diesel) 4.5in X Factor Pro (No Limits) AL. Coilover System