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Silver’s NEOMAX Coilover Kit – 2011–2021 Jeep Grand Cherokee (WK2)
The Silver’s NEOMAX Coilover Kit is the ultimate performance suspension upgrade for the 2011–2021 Jeep Grand Cherokee (WK2). Designed for drivers who demand maximum handling, reduced unsprung weight, and full factory adaptive suspension compatibility, this kit delivers track-ready control with street-friendly comfort.
Featuring mono-tube shocks, 24-level damping adjustment, and an integrated electronics module that retains Sport/Track modes on 2018+ models, the NEOMAX offers up to a 52% reduction in unsprung weight compared to OEM.
Whether you’re building a street-driven SRT or a track-focused Trackhawk, this kit provides precise adjustability, superior ride quality, and a perfect fit with no warning lights or compromises.
Key Features
- Up to 52% Unsprung Weight Reduction – Sharper handling and improved braking response
- 24-Level Damping Adjustment – Every click delivers a noticeable change in ride and handling
- OEM Adaptive Suspension Compatible – Retains factory Sport/Track modes on 2018+ models with Performance Pages
- 2–4 Inch Adjustable Drop – Model-dependent drop range with threaded preload adjustment
- Mono-Tube Shock Design – Superior oil capacity and heat dissipation for consistent performance
- 44mm Digressive Pistons – Excellent low-speed damping and high-speed stability
- High-Strength Components – 52mm carbon steel shock tubes, Koyo Japan radial bearings, and SAE9254 cold-bent springs
- Direct-Fit Design – No warning lights With Optional Electronics restricted on some models.
| Spec | Detail |
|---|---|
| Part Number | SJ1001 |
| Brand | Silver’s |
| Type | NEOMAX Coilover Kit |
| Compatibility | 2011–2021 Jeep Grand Cherokee (WK2) |
| Drop Range | 2–4 inches (model-dependent) |
| Front Spring Rate | 16K (standard) |
| Rear Spring Rate | 18K (standard) – Optional 20K for 1000+ HP builds |
| Shock Design | Mono-Tube with 44mm Digressive Pistons |
| Adjustability | 24-Level Damping + Threaded Preload |
| Electronics | Included Module (Retains Adaptive Suspension) |
| Country of Origin | United States |
| Warranty | 18-Month Manufacturer Warranty |
Whats Included
- Front Coilover Assemblies (x2) – Part SJ1001-F with 16K springs and Koyo radial bearing upper perch
- Rear Coilover Assemblies (x2) – Part SJ1001-R with 18K springs and threaded preload adjustment in lower control arm
- ( OPTIONAL ) Electronics Module (x1) – Part SJ1001-E for factory adaptive suspension compatibility
- Powder-coated steel lower brackets with factory ABS/brake line mounts
- Complete installation hardware and adjustment tools
- Full installation guide
Product Notes
- Designed for all 2011–2021 Jeep Grand Cherokee WK2 trims (Laredo, Limited, Overland, Summit, SRT, Trackhawk)
- Electronics module is required for 2018+ models with Performance Pages Only
- Optional Swift Springs and aluminum rear shock upgrades available for maximum weight savings
Installation Notes
- Professional installation strongly recommended
- Rear preload adjustment is located in the lower control arm (different from older Silver’s videos)
- Set vehicle to Sport or Track Mode during electronics setup (2018+ models)
- One-time setup required for adaptive suspension vehicles
- Estimated time: 4–6 hours
This Part Fits
| Year Range | Make | Model | Trims | Notes |
|---|---|---|---|---|
| 2011–2021 | Jeep | Grand Cherokee (WK2) | Laredo, Limited, Overland, Summit, SRT, Trackhawk | NEOMAX Coilover Kit with Electronics Module |
Why Choose Silver’s NEOMAX Coilovers?
- Proven motorsports-grade engineering with real-world performance results
- Significant unsprung weight reduction for sharper handling and braking
- Full factory adaptive suspension integration with no warning lights
- Wide range of damping adjustment and preload tuning for any driving style
- Built with premium components including Koyo bearings and high-viscosity damper oil
Frequently Asked Questions
- Q: Will this kit work with my 2019 Jeep Grand Cherokee Trackhawk?
- A: Yes, the SJ1001 kit is fully compatible with all WK2 trims including the Trackhawk requires the Optional electronics module.
- Q: How much drop can I achieve?
- A: The kit allows for a 2–4 inch drop depending on your specific model and spring choice.
- Q: Do I need the electronics module?
- A: Yes, the electronics module (SJ1001-E) is included and required for 2018+ models to retain factory adaptive suspension modes and prevent warning lights. (Does Not work on 2012-2017 you will retain a dash Light)
- Q: Can I upgrade to Swift Springs later?
- A: Yes, Swift Springs (4.4 lbs each) are available as an optional upgrade for maximum weight reduction.
Shipping & Handling
- Method: Ground UPS or FedEx (oversize may apply)
- Availability: In stock – ships same or next business day
- Packaging: Secure Silver’s retail packaging
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