Rear Coil Spring Kit For 21-Present Wrangler JLU 4-Door Diesel Rock Krawler Drivetrain & Differentials - Transmissions & Shifters - Automatic Transmission Dipstick They act to smooth out

They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating

Aluminum tie rod bar is finished in clear anodize

Lowering spacers - set of 6

The -12 series utilizes a high strength Chromoly body with a polished chrome finish sure to impress

Type of Gauge: Single Control

Rear Coil Spring Kit For 21-Present Wrangler JLU 4-Door Diesel Rock Krawler Drivetrain & Differentials - Transmissions & Shifters - Automatic Transmission Dipstick They act to smooth outSystem Includes: (2) JL JLU Front Coil Springs (2) JL JLU Front Lower Coil Correction Wedges (2) JL JLU Front Upper Neutral Isolators Part Variations: Part # Drive Train Lift Height Coil Height RK07015K Gas 2. 5 17 RK07017K Gas 392 Hemi Gas 3. 5 392 Hemi 2. 5 18 RK07019K Gas 392 Hemi Gas 4. 5 392 Hemi 3. 5 19 RK08186K 392 Hemi 4. 5 19 RK07843K Diesel 2. 5 18 RK07844K Diesel 3. 5 19 RK07964K Diesel 4. 5 19 RK07959K 4XE 2. 5 18 RK07961K 4XE 3. 5 19