# RockJock JL 4D Diesel Engine 392 4Xe Rear Coil Springs 3.5in Lift Pair

This pair of RockJock rear coil springs will provide 3 1/2 inches of lift in JL Wrangler Unlimited applications that feature the EcoDiesel or 392 Hemi powertrains. These springs directly replace factory springs and are designed to work with RockJock Johnny Joint suspension systems or other manufacturers lift kits and provide improved ride quality and height control. Finish is gloss black powder coat. Extensive research was done by RockJock to develop the perfect spring rate and quality of the coil springs. The results: they provide the best in comfortable ride and excellent performance off-road. If you need help choosing the correct springs for your Jeep - just call the RockJock sales staff!

This Part Fits:

Year

Make

Model

Submodel

2021

Jeep

Wrangler

80th Anniversary

2021

Jeep

Wrangler

Freedom

2023

Jeep

Wrangler

High Altitude

2021

Jeep

Wrangler

Islander

2018-2022

Jeep

Wrangler

Rubicon

2023-2024

Jeep

Wrangler

Rubicon 392

2023

Jeep

Wrangler

Sahara

2023

Jeep

Wrangler

Sahara Altitude

2018-2022

Jeep

Wrangler

Sport

2023

Jeep

Wrangler

Sport Altitude

2018-2022

Jeep

Wrangler

Sport S

2021

Jeep

Wrangler

Unlimited 80th Anniversary

2021

Jeep

Wrangler

Unlimited Freedom

2021-2022

Jeep

Wrangler

Unlimited High Altitude

2021-2022

Jeep

Wrangler

Unlimited High Altitude 4xe

2022

Jeep

Wrangler

Unlimited High Tide

2021

Jeep

Wrangler

Unlimited Islander

2018-2019

Jeep

Wrangler

Unlimited Moab

2018-2022

Jeep

Wrangler

Unlimited Rubicon

2021-2022

Jeep

Wrangler

Unlimited Rubicon 392

2021-2022

Jeep

Wrangler

Unlimited Rubicon 4xe

2018-2022

Jeep

Wrangler

Unlimited Sahara

2021-2022

Jeep

Wrangler

Unlimited Sahara 4xe

2021-2022

Jeep

Wrangler

Unlimited Sahara Altitude

2018-2022

Jeep

Wrangler

Unlimited Sport

2021-2022

Jeep

Wrangler

Unlimited Sport Altitude

2018-2022

Jeep

Wrangler

Unlimited Sport S

2021-2022

Jeep

Wrangler

Unlimited Willys

2021-2022

Jeep

Wrangler

Unlimited Willys Sport

2021-2022

Jeep

Wrangler

Willys

2021-2022

Jeep

Wrangler

Willys Sport

## Details

- **Price:** 573.58 CAD
- **Vendor:** RockJock
- **Type:** Coilover Springs

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 573.58 CAD | In stock |

## Images

- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/rockjock-jl-4d-diesel-engine-392-4xe-rear-coil-springs-3-5in-lift-pair)
> Updated: 2026-07-01