Rock Krawler 1.5-inch lift triple-rate rear coil springs for 2007–2018 Jeep Wrangler JKU 4-door deliver a rear lift and progressive spring rates to manage varying loads. These springs are intended to match front lift rates and maintain balanced suspension behavior for 4-door JKUs. They suit JKU rear applications needing a 1.5-inch rise with staged spring response under load.
Rock Krawler 07-18 Jeep Wrangler JKU 4DR 1.5in Lift Triple Rate Coil Springs - Rear