Wrangler JL, 4-Door;Diesel engine models;Shocks are not included;1.5 lift on Rubicon models;2.5 lift on Sport and Sahara models;Includes front and rear coil springs, front and rear bump stop extensions and front and rear sway bar extensions;Clears 35 tall tires on Sport and Sahara trim;Clears 37 tires on Rubicon models;No exhaust modification needed;No driveline modification needed;California Residents: WARNING This easy to install system elevates the 2020-Current Jeep JL Wrangler Diesel ride quality and off-road performance. Coil spring rates are perfectly tuned for bump compliance and load handling. Detail features include 1.75 diameter 4130 chromoly Super-Ride front lower arms, extended sway bar end links and extended bump stops to boost off-road capability. This highly tuned system will provide the right height to clear 35 tires on a loaded non-Rubicon models and 37 tires on Rubicon models.