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SKU: 8864-30 | UPC: 887753146755
Synergy Jeep JL Rear Lift Springs 2018+ JL 2DR 4.0in JLU 4DR 3.0 Inch
Synergy rear lift springs deliver precise lift for 2018+ Jeep Wrangler JL models with 4 inches on 2-door versions and 3 inches on 4-door Unlimited JLU. The dual-rate progressive design absorbs impacts on trails while supporting added weight from bumpers or gear. These springs level the rear after front suspension upgrades for balanced handling and capability.
Key Features
- Dual-Rate Progressive Design: Soft initial coils provide smooth highway ride, firm secondary rate handles heavy loads and off-road abuse without sagging
- High-Tensile Steel Construction: Shot-peened and pre-set for maximum fatigue resistance and long-term durability under extreme conditions
- Increased Payload Capacity: Supports winches, spare tires, and armor without compromising ride height or comfort
- Black Powder Coat Finish: Resists rust and corrosion for lasting performance in harsh environments
- Precision Engineered Lengths: 4in free length for JL 2-door, 3in for JLU 4-door ensures factory-like geometry with lifts
Product Notes
- Sold as a pair for complete rear installation
- Pair with Synergy shocks for optimal damping and performance
- Special order item with typical 3-5 business day lead time
Installation Notes
- Professional installation recommended.
- Bolt-on fit using factory mounts, no fabrication required
- New rear shocks advised for lifts over 2.5 inches to match spring rates
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2024 | Jeep | Wrangler (JL) | Sport 2 Door |
| 2018-2024 | Jeep | Wrangler (JL) | Sahara 2 Door |
| 2018-2024 | Jeep | Wrangler (JL) | Rubicon 2 Door |
| 2018-2024 | Jeep | Wrangler (JL) | 392 2 Door |
| 2018-2024 | Jeep | Wrangler Unlimited (JL) | Sport 4 Door |
| 2018-2024 | Jeep | Wrangler Unlimited (JL) | Sahara 4 Door |
| 2018-2024 | Jeep | Wrangler Unlimited (JL) | Rubicon 4 Door |
| 2018-2024 | Jeep | Wrangler Unlimited (JL) | 392 4 Door |
Why Choose Synergy?
- Manufactured in the USA with rigorous quality control
- Lifetime warranty against spring sag or breakage
- Tested on trails for real-world Jeep JL performance
Frequently Asked Questions
-
Q: Will these springs fit my 2023 JL Rubicon 392?
A: Yes, compatible with all 2018-2024 JL 2-door and JLU 4-door models including Sport, Sahara, Rubicon, and 392 variants
Q: What material are the springs made from? -
Q: What is the warranty and installation time?
A: Lifetime warranty on material and workmanship. basic bolt-on install takes 2-4 hours per side with standard tools
A: High-tensile steel shot-peened for strength, pre-set to prevent initial sag, and finished with durable black powder coat
Shipping & Handling
- Method: UPS Ground or LTL freight
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box 22 x 8 x 8 inches
- Weight: 22 lbs
Shock & Spring Kits
Welcome to our exclusive Shock & Spring Kits collection! Whether you're looking to upgrade your vehicle's suspension system or enhance its overall performance, we have the perfect solutions for you. Why Choose Our Shock & Spring Kits? Quality Materials: Our kits are made from high-grade materials to ensure longevity and reliability. Improved Performance: Experience a smoother ride and better handling with our expertly designed kits. Easy Installation: Each kit comes with everything you need for a straightforward installation process. Compatibility: Our Shock & Spring Kits are designed to fit a wide range of vehicle models, ensuring you find the right match. Featured Products Take a look at some of our top-rated shock and spring kits: Premium Shock Absorbers: Enhance your vehicle's responsiveness. High-Performance Springs: Designed to provide optimal support and control. Complete Suspension Kits: Everything you need for a full suspension upgrade. Upgrade Yo...
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Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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Synergy Mfg
Synergy Mfg, we pride ourselves on being industry innovators in the realm of high-end automotive performance components. Since 2005, our focus has been on manufacturing premium parts specifically designed for the off-road aftermarket. Our product line includes: High-quality suspension systems Heavy-duty steering components Axle upgrades Other related products that enhance vehicle capability, performance, and aesthetics Why Choose Synergy Mfg? Our products are designed by REAL engineers with over a decade of experience in off-road suspension design. Utilizing the latest CAD software, we ensure that our components achieve the highest levels of fit, finish, and performance. Here’s what sets us apart: All systems are developed with a synergistic approach, maximizing performance beyond the sum of individual parts. Components have undergone extensive design, engineering, and testing in challenging environments like: The Hammer Trails in Johnson Valley, CA Rubicon and Fordyce Trails ...
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