Description

Skyjacker(R) Suspensions is bigger and better than ever offering Leveling kits, Sport lifts and Suspensions kits. For 40 years Skyjacker(R) has proven to be the innovator in the suspension market. This commitment to cutting-edge technology has enabled Skyjacker to deliver a huge selection of products to you, our customers.

Product Overview

Skyjacker(R) Suspensions is bigger and better than ever offering Leveling kits, Sport lifts and Suspensions kits. For 40 years Skyjacker(R) has proven to be the innovator in the suspension market. This commitment to cutting-edge technology has enabled Skyjacker to deliver a huge selection of products to you, our customers.

Features and Benefits

• Double Wrap Rear
• Limited Lifetime Warranty

Product Details

Description:	YJ 4IN. REAR ROCK READY SPRG
Lift/Drop Height:	4 in.
Part Number:	skyYJ45RS
WARNING CA Proposition 65 Message:	California Residents- WARNING: Cancer and-or other Reproductive Harm. (For more information go to 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
	skyYJ45K	Skyjacker 4"87-95 YJ,ROCKREADY SYSTEM (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45)
	skyYJ45K-B	Skyjacker 4"87-95 YJ,ROCKREADY SYSTEM (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45, 2x skyB8559, 2x skyB8588)
	skyYJ45K-H	Skyjacker 4"87-95 YJ,ROCKREADY SYSTEM (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45, 2x skyH7059, 2x skyH7088)
	skyYJ45K-M	Skyjacker 4"87-95 YJ,ROCKREADY SYSTEM (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45, 2x skyM9559, 2x skyM9558)
	skyYJ45K-N	Skyjacker 4"87-95 YJ,ROCKREADY KIT (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45, 2x skyN8059, 2x skyN8088)
	skyYJ45K-XM	Skyjacker 1987-1995 Jeep Wrangler Yj 4 In. Susp. Lift Kit With ADX M2.0 Aluminum Monotube Shocks (2x skyYJ45RS, 2x skyYJ45FS, 1x skyYJ45, 2x skyM2058, 2x skyM2059)

Data: v4.2 - Upd: 2026-10-16 21:17:15

Features

Specifications

Product Attributes - Brand

Skyjacker Suspensions

Product Attributes - Manufacturer's Part Number

YJ45RS

Product Attributes - Part Type

Leaf Springs

Product Attributes - Product Line

Skyjacker Softride Lift Leaf Springs

Product Attributes - UPC

803696169842

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 - Bushings Included

No

Product Attributes - Spring Finish

Black

Product Attributes - Quantity

Sold individually.

Product Attributes - Notes

Rock Ready double wrap design.

Compatibility