Rock Krawler Silverback Hybrid Arm Upgrade System For Jeep Gladiator JT (GAS)
The Rock Krawler Silverback Upgrade System is the ultimate performance upgrade for your Jeep Gladiator JT. This Designed for serious off-roaders who still drive their Gladiator daily, this system blends high-clearance off-road performance with on-road comfort and precision. At the heart of this kit is a high-clearance 4-link front suspension and a triangulated 4-link rear setup, providing maximum articulation and control without the bind of traditional track bar setups. The rear triangulation eliminates the rear track bar entirely for smoother highway handling and superior axle centering. This kit features Rock Krawler’s fully service-free long arms with Adventure Series joints. These advanced joints isolate road vibration like an OE bushing, while offering high misalignment capability and long-lasting performance with zero maintenance. No grease. No noise. No compromise. The Adventure-X Mid-Arms offer 70° of misalignment and fully adjustable upper and lower control arms for precision tuning of your Gladiator's caster and pinion angles.
Whether you're crawling rocks or cruising pavement, you'll notice the difference. When we design a system, our goal is to provide you with the most comprehensive solution and the best geometry, install exceptional value, and be the foundation for every adventure whether it be on the Street, In tow, or down a Trail! Thank you for considering Rock Krawler Suspension.
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System Benefits:
- Excellent Highway Ride and Handling
- The Best Off-road Ability of All Mid-Arm Systems
- Improved Rear Roll Center
- Tuned Front and Rear Coil Springs
- Spring Correction Seats
- Vehicle Lean Correction
- Upgradable to RK Long-Arm System
- Best Technical Support in the Industry
- Jeep Remains Level on All 4 Corners
- Lifetime Warranty Coverage
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System Includes:
- (1) Weld-on Front Long-Arm Mounting System
- (1) Heat Shield Products Sticky Shield Kit
- (1) Skid Plate
- (2) High Clearance Adjustable Front Lower Control Arms
- (2) Adjustable Front Upper Control Arms
- (2) Rear High Clearance Adjustable Lower Control Arms
- (2) Rear Adjustable Upper Control Arms
- (1) Rear Bolt on Pro-X Cradle (Welding optional)
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Wheel Fitment:
Sport and Overland Wheel Fitment Recommendations
- 37”/38” Tall Tires - Recommend 3.5” of Back Spacing
Mojave Fitment Recommendations
- 37” Tall Tires – Recommend 4.5” of Back Spacing
- 40” Tall Tires – Recommend 3.5” of Back Spacing
Tire Fitment:
Sport and Overland with Full OEM Fenders
- 37” Tall Tires (3” Bump Stop Height Recommended)
Sport and Overland with Trimmed or High Lined OEM Fenders
- 38” Tall Tires (3” Bump Stop Height Recommended)
Mojave with Full OEM Fenders
- 37”/38” Tall Tires (3” Bump Stop Height Recommended)
Mojave with Trimmed or High Lined OEM Fenders
- 40” Tall Tires (3” Bump Stop Height Recommended)
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General Notes:
- Gas Models Only
- All lift heights based on Rubicon models for standard style build (i.e. front bumper and winch, rear bumper and full size spare).
- If building an "overland style" or heavily up-fitted build in the back, we recommend upsizing 1” in coil lift height for the rear.
- We recommend a new front driveshaft if you plan to off-road routinely. (Adam's Driveshaft, Tom Woods, J.E. Reel)
- OPTIONAL PRO - X CRADLE IS AVAILABLE FOR PURCHASE WHEN USING DYNATRAC, ULTIMATE DANA 60 REAR AXLES, CURRIE LOW PINION REAR 60, Fusion 4x4 Axles - Dynatrac XD60 rear axle use: RK08078 and Ultimate Dana 60 rear axle and Currie Low Pinion 60 Rear use: RK08068, Fusion has their own line of trusses, please be sure to order the truss with their rear axle and remove our supplied truss from the order.
- We recommend welding the rear cradle for use with 37" tires and above.
- Requires welding of the Front Long Arm mounting system.
- Requires removal of the OEM frame side lower front control arm mounts.
- Requires removal of the OEM frame side front upper control arm mounts.
- Requires removal of the OEM axle side track bar mount.
- Recommended to install limiting straps to avoid over extension of suspension components after vehicle is all set up.
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