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

and Hydro 7000 shocks to provide lift and a comfortable ride in the rear of the truck

1977-79 GM C10/20/30/K5 4WD

3L V8 - Classic Only

Collapsed Length Inch: 16

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