Skyjacker aluminum suspension lift kit.
Do it right the first time. Replacing the worn OEM front and rear leaf springs is the absolute best upgrade. Softride springs also have tapered leafs to distribute loads more evenly and to create more flex at the leaf ends. Skyjacker's engineered processes achieve maximum wheel travel, ride quality and extends the long-lasting life on these replacement leaf springs. Shocks are a key link in-between the chassis and your suspension. ADX M2.0 has a race-inspired full-displaced valving system. Nitrogen charged with Internal Floating Piston Technology = Quickest Shock Reaction Time Ever.
A suspension lift raises ride height to clear larger tires; component kits vary in what they include, so check the parts list.
Skyjacker 4 in. Suspension Lift Kit With ADX M2.0 Aluminum Monotube Shocks. (YJ40K-XM)
- ›Material: Aluminum
- ›Lift height: 4"
Vehicle fitment
Estimated fitment — verify before purchase| Years | Make | Model |
|---|---|---|
| 1987–1995 | Jeep | Wrangler YJ |
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Skyjacker |
| Part number | YJ40K-XM |
| Material | Aluminum |
| Lift height | 4" |
| Category | Suspension & Lift |
| Years | Make | Model |
|---|---|---|
| 1987–1995 | Jeep | Wrangler YJ |

Worth adding
Useful in any truck — ships separately in its own box.
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