Description

Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off-road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand-in-hand. We can talk the talk because we walk the walk.This question.... ''What's best for the customer?''... is always at the top of our list in everything we do, from product planning and design to customer service. This simple guiding principal has served us well for decades, and will continue to guide us into the future.We are proud to provide the truck, Jeep and SUV owner products that perform better than advertised. We understand that most people spend the majority of their windshield time on-road, and our designs reflect this. You will be 100% satisfied with our products on-road or off - we guarantee it! Determining what product is right for your vehicle and lifestyle can be a complicated task, especially with so many companies and options to choose from. We urge you to carefully research your purchase. Most lift kits represent a considerable investment, and you will literally live with your choice for years. Talk to fellow off-roaders, and your local automotive specialty shop before making a purchase. We love to talk shop, and we encourage you to give our tech staff a call. Bottom line... if you do your homework, you'll discover that we've done ours.

Product Overview

Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off-road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand-in-hand. We can talk the talk because we walk the walk.This question.... ''What's best for the customer?''... is always at the top of our list in everything we do, from product planning and design to customer service. This simple guiding principal has served us well for decades, and will continue to guide us into the future.We are proud to provide the truck, Jeep and SUV owner products that perform better than advertised. We understand that most people spend the majority of their windshield time on-road, and our designs reflect this. You will be 100% satisfied with our products on-road or off - we guarantee it! Determining what product is right for your vehicle and lifestyle can be a complicated task, especially with so many companies and options to choose from. We urge you to carefully research your purchase. Most lift kits represent a considerable investment, and you will literally live with your choice for years. Talk to fellow off-roaders, and your local automotive specialty shop before making a purchase. We love to talk shop, and we encourage you to give our tech staff a call. Bottom line... if you do your homework, you'll discover that we've done ours.

Features and Benefits

• Spring Rate Tuned For Smooth Ride
• Dual Rate Coil Springs - PAIR
• 4 Inch Rear Dual Rate Coil Springs - Pair

Product Details

Avg Install time:	1-3 Hours
Description:	Dual Rate Coil Springs-Pair-Rear-4in. Lift-18-25 Wrangler JL 2Dr
Feature:	4 Inch Rear Dual Rate Coil Springs - Pair
Part Number:	slf599
Prop 65 - Short Label:	WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov.
Prop 65 Y/N:	Yes
Title:	SUPERLIFT COIL SPRINGS RR JP JL 2DR 4 INCH LIFT KIT
WARNING CA Proposition 65 Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	slfK186	18-19 Jeep Wrangler JL 2 Door 4in Dual Rate Coil Lift Kit - Incl Rubicon w/ Shock Extensions (1x slf598, 1x slf599, 1x slf5825, 1x slf5833)
	slfK186F	18-19 Jeep Wrangler JL 2 Door 4in Dual Rate Coil Lift Kit - Incl Rubicon w/ Fox Shocks (1x slf598, 1x slf599, 1x slf5802, 1x slf5828, 1x slf5833)
	slfK193	Superlift 18-20 Jeep Wrangler JL 2 Door 4in Dual Rate Coil Lift Kit w/ Superlift Shadow Shocks (1x slf598, 1x slf599, 1x slf5828, 1x slf5833, 1x slf84120)

Data: v4.2 - Upd: 2026-10-17 00:39:48

Features

Specifications

Product Attributes - Brand

Superlift Suspension

Product Attributes - Manufacturer's Part Number

599

Product Attributes - Part Type

Coil Springs

Product Attributes - Product Line

Superlift Lift Coil Springs

Product Attributes - UPC

804260102845

Product Attributes - Ride Height

Lifted

Product Attributes - Ride Height Note

Additional ride height information may be available for your vehicle, please refer to the app tab.

Product Attributes - Spring Positioning

Rear

Product Attributes - Rear Spring Raised Amount Range (in.)

4.00 in.

Product Attributes - Progressive Rate Spring

Yes

Product Attributes - Spring Finish

Black

Product Attributes - Bushings Included

No

Product Attributes - Quantity

Sold as a pair.

Product Attributes - Notes

Fits 2-door models only.

Compatibility