Rock Krawler JT45AXMNL-D 4.5" Adventure X COILOVER "No Limits" Mid-Arm Suspension System without Shocks for 20-26 Jep Gladiator JT Rubicon with Diesel Engine
Adventure‑X No Limits Layout: Allows the suspension to move freely at a taller ride height while keeping axle position and steering feel consistent.
Tuned Specifically for JT Rubicon Models: Designed to work with Rubicon components and weight to maintain predictable handling at 4.5 inches.
Mid‑Arm Capability with Added Clearance: Delivers increased ground clearance and suspension travel without the complexity of a full long‑arm system.
Springs Matched for Control and Flex: Selected to support the Gladiator’s wheelbase while staying responsive over rough terrain.
Built for Repeated Trail Use: Heavy‑duty construction and robust joints are intended to hold up under sustained off‑road abuse.
Many states have laws that limit the maximum height of a lifted vehicle. Never exceed the legal height limit.
Designed for Gladiator Rubicon builds that are pushed hard in difficult terrain, the Rock Krawler 4.5in Adventure‑X “No Limits” Mid‑Arm Suspension System focuses on maximizing suspension movement while keeping the truck predictable and controlled. The Adventure‑X No Limits design allows the suspension to open up through its travel without compromising axle location or steering behavior, helping the JT stay planted when navigating steep climbs, off‑camber obstacles, and uneven surfaces.
At a 4.5-inch ride height, this mid‑arm system delivers increased clearance and suspension freedom while remaining more straightforward than a full long‑arm conversion. Springs are tuned around the Rubicon platform to handle weight distribution and wheelbase demands, keeping the suspension responsive under load and composed during everyday driving. Built with reinforced components throughout, this system is intended for Gladiator owners who want serious trail capability backed by durable, well‑engineered hardware.
- (4) Triple/Rear Quad-rate Coil Springs
- (2) Front High Clearance Adjustable Lower Control Arms
- (2) Front Adjustable Upper Control Arms
- (2) Front Spring Pads
- (1) Adjustable Front Track Bar
- (2) "No Limits" Sway Bar Links
- (2) Rear High Clearance Adjustable Lower Control Arms
- (2) Rear Adjustable Upper Control Arms
- (2) Rear Spring Pads
- (2) Adjustable Rear Sway Bar Links
- (1) Bolt-on Rear Track Bar Relocation Bracket
- (1) Carrier Bearing Drop Bracket
- (1) Rear Brake Line Kit
- Shocks Included: Without Shocks or With Shocks
- Lift Height Range: 3 - 4.5 inch
Jeep Gladiator (JT)
- 2026 Jeep Gladiator (JT)
- 2025 Jeep Gladiator (JT)
- 2024 Jeep Gladiator (JT)
- 2023 Jeep Gladiator (JT)
- 2022 Jeep Gladiator (JT)
- 2021 Jeep Gladiator (JT)
- 2020 Jeep Gladiator (JT)
Rock Krawler 4.5" Adventure X COILOVER "No Limits" Mid-Arm Suspension System Options
| Part Number | Catalog # | Shock Options | Gas or Diesel Engine Options | Price | |||||
|---|---|---|---|---|---|---|---|---|---|
| 16189-4729 | without Shocks | Gas Engine | $3,094.43 | ||||||
| 16189-4765 | without Shocks | Diesel Engine | $3,141.93 | ||||||
| JT45AXMNL-DS1 | 16189-4766 | with RRD 2.25" IFP Shocks | Diesel Engine | $4,317.93 | |||||
| JT45AXMNL-S1 | 16189-4730 | with RRD 2.25" IFP Shocks | Gas Engine | $4,270.43 | |||||
| JT45AXMNL-CS | 16189-4731 | with RRD 2.625" RR Coilover Shocks | Gas Engine | $7,102.73 | |||||
| JT45AXMNL-DCS | 16189-4767 | with RRD 2.625" RR Coilover Shocks | Diesel Engine | $7,102.73 |
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