The Rock Krawler RRD shock is specified as Stage 1 for the 4.5in X Factor Pro Aluminum system, intended for 2019–present Jeep Wrangler (JT) models. Supplied to match Rock Krawler’s Pro Aluminum package, the Stage 1 RRD shock integrates with the system’s aluminum components to provide the damping profile intended for the 4.5in Pro-level suspension upgrade.
Rock Krawler 2019+ Jeep Wrangler JT 4.5in X Factor Pro Aluminum System - Stage 1