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Description
Synergy 8843-4000 4" Stage 3 Lift Kit Suspension SystemElevate the suspension system on your 2018 2023 Jeep Wrangler JL (4 Door) with the Synergy 8843 4000 4" Stage 3 Lift Kit Suspension System from GAP. Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts. The overall performance of the system is the most important factor when designing components to work together. Synergy MFG Suspension Systems are
Elevate the suspension system on your 2018-2023 Jeep Wrangler JL (4 Door) with the Synergy 8843-4000 4" Stage 3 Lift Kit Suspension System from GAP. Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts. The overall performance of the system is the most important factor when designing components to work together. Synergy MFG Suspension Systems are complete systems for your Jeep and include all necessary components for the lift height and performance advertised. Coil springs and shocks are two of the largest determining factors in ride quality and a mismatched system will never perform to its potential.
The Jeep JL Stage 3 Suspension System is a coil spring 4" lift designed around 37" tires for all models and 40" tires with Rubicon or aftermarket high clearance fenders. This system further builds off the Synergy Stage 2 System by adding a heavy-duty drag link and front track bar relocation bracket to correct the steering geometry, as well as their adjustable rear track bar and new stainless brake lines to deliver a complete and balanced suspension package with all the limits for maximum wheel travel properly addressed. This system is the apex of Synergy's JL Wrangler offerings and capable of extreme performance.
The Jeep JL Stage 3 Suspension System is a coil spring 4" lift designed around 37" tires for all models and 40" tires with Rubicon or aftermarket high clearance fenders. This system further builds off the Synergy Stage 2 System by adding a heavy-duty drag link and front track bar relocation bracket to correct the steering geometry, as well as their adjustable rear track bar and new stainless brake lines to deliver a complete and balanced suspension package with all the limits for maximum wheel travel properly addressed. This system is the apex of Synergy's JL Wrangler offerings and capable of extreme performance.
Features:
- Multi-Rate, Progressively Wound Coil Springs Increase Lift Height 4" Over Stock
- Longest In Class Free Length Prevents Coil Springs From Coming Unseated At Full Articulation
- All Adjustable Control Arms Are Included To Correct Caster, Pinion Angle, And Center The Axles
- Front And Rear Coil Springs Are All New And Have Been Designed Specifically For The JL Platform
- Bump Stop Spacing Is Adjustable From 2-4" In 1" Increments Without Having To Remove Any Hardware
- Coil Springs Are Guaranteed To Resist Bowing And Have A Lifetime Guarantee Against Sagging/Breakage
- 100 Percent Bolt On Components Assure An Easy, Trouble Free Installation With The Use Of Basic Hand Tools
- Coil Spring Block Height Has Been Designed Around Optimal Bump Stop Spacing For The Lift Height And Tire Size
- Coil Springs Are Unique Lengths For Each Corner Of The Vehicle To Compensate For Weight Distribution And Prevent Leaning
- Front And Rear Adjustable Bump Stop Spacer Kits Are Included To Provide The Necessary Clearance Required For Larger Tires
- Suspension Components Feature An Abrasion-Resistant Powder Coat Finish For Maximum Durability And Corrosion Resistance
- Control Arms Feature Our Maintenance Free Dual Durometer Bushings (DDB) Focusing On Performance, Flex, Longevity, And Ride Quality
- Industry First Closed And Ground Lower Ends Of The Front Coil Springs Ensure Perfect Fitment With The Included Front Lower Coil Spring Isolators
- Adjustable Front And Rear Track Bars Allow Centering Of The Both Axles, Reduce Lateral Shift In The Front End, And Eliminate Bind On Articulation
- Parking Brake Cable Bracket Secures The Parking Brake Cables When They Are Relocated Under The Rear Crossmember So They Don’t Impede Suspension Travel
- New Rear Sway Bar Links And Drop Brackets Are Added To The Rear To Allow Full Articulation Of The Rear Suspension And Maintain Compatibility With Stock Wheels
- Front Steering Correction Kit Combines Our Proven Heavy Duty Drag Link And Front Track Bar Bracket To Raise The Front Roll Center, And Correct The Steering Geometry
- Front Sway Bar Links With Quick Disconnects Allow Easy Disconnection Of The Front Sway Bar For Maximum Articulation Of The Front Suspension When Used Off Road
- Double Adjuster Assemblies Are Used For Easy Length Adjustment On The Vehicle And Pinch Bolts Are Used To Secure The Double Adjusters So There's No Fighting Jam Nuts
- Rear Track Bar Relocation Bracket Raises The Rear Roll Center To Reduce
Body Roll And Centers The Rear Axle While Preventing Drive Shaft
Interference With The Gas Tank
Benefits:
- No Maintenance Components
- Compatible With OEM Wheels
- Complete Bolt-On System For Easy Install
- Coil Spring Suspension System To Easily Fit Larger Tires
- Includes All Components Necessary To Get You On The Trail
- Greatly Improves Wheel Travel And Articulation Over Stock And Spacer Lifts
- Best In Class Ride Quality And Performance When Paired With Coil Spring Matched Synergy Tuned Shocks
- Corrects Suspension Geometry To Center Front And Rear Axles And Fine Tune Alignment And Pinion Angles
- Includes Front Sway Bar Quick Disconnects For Easy Disconnection Of The Front Sway Bar For Off Road Use
Improvements from the Synergy MFG Stage 2 System:
Adds Front Steering Correction Kit To Raise Roll Center And Improve Steering GeometryAdds Adjustable Rear Track Bar For Increased Articulation And To Re-Center Axle
Includes:
(1) 8863-40 Front Lift Coil Springs, 4-Inch Lift
(1) 8864-40 Rear Lift Coil Springs, 4-Inch Lift
(1) 8057-10 Snap-Lock Bump Stop Spacer System
(1) 8858-40 Rear Bump Stop Extension, 4.0 Tall
(1) 8859-11 Front Sway Bar Links
(1) 8861-11 Rear Sway Bar Links
(1) 8855-11 Front Track Bar Relocation Bracket
(1) 8800-01 Heavy-Duty Drag Link
(1) 8851-01 Adjustable Front Lower Control Arms
(1) 8853-01 Adjustable Front Upper Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8854-01 Rear Upper Adjustable Control Arms
(1) 8875-01 HD Adjustable Front Track Bar
(1) 8856-01 Rear Track Bar Relocation Bracket
(1) 8862-01 HD Adjustable Rear Track Bar
(1) 8818-01 Parking Brake Cable Relocation Bracket
(1) 8864-40 Rear Lift Coil Springs, 4-Inch Lift
(1) 8057-10 Snap-Lock Bump Stop Spacer System
(1) 8858-40 Rear Bump Stop Extension, 4.0 Tall
(1) 8859-11 Front Sway Bar Links
(1) 8861-11 Rear Sway Bar Links
(1) 8855-11 Front Track Bar Relocation Bracket
(1) 8800-01 Heavy-Duty Drag Link
(1) 8851-01 Adjustable Front Lower Control Arms
(1) 8853-01 Adjustable Front Upper Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8854-01 Rear Upper Adjustable Control Arms
(1) 8875-01 HD Adjustable Front Track Bar
(1) 8856-01 Rear Track Bar Relocation Bracket
(1) 8862-01 HD Adjustable Rear Track Bar
(1) 8818-01 Parking Brake Cable Relocation Bracket
Wheel and Tire Fitment:
Recommended tire size is limited by fender clearance. With higher clearance fenders or trimmed fenders, larger tires may be fitted. Bump stop spacing should be matched to the collapsed length of the shocks. Mismatched bump stop spacing and shocks will limit the available travel from the system.Notes:
Synergy MFG coil springs lift the vehicle the advertised height over stock based on a fully loaded JL Rubicon. Other JL models will see more lift over stock. These coil springs do not lift taller than advertised. The stock rake based off the Rubicon model is kept to retain its load carrying capacity. If you prefer the vehicle to sit level when unloaded, Synergy recommends adding a small coil spacer to the front (up to 3/4-inch without affecting up travel or causing coil bind, 8017-075).Synergy is not responsible for maintaining finish of products. Environmental factors will affect rate of corrosion and wear for items advertised to be corrosion resistant. Synergy recommends using protective coatings for all items that will see extended outdoor and off-road use. Synergy has had great experience with the Fluid Film product and recommend it and similar products for any items susceptible to damage from corrosion. It is great for keeping double adjuster assemblies working like new and protecting shock bodies from the elements.
Additional Specifications:
Lift Height: 3-inches over stock Rubicon, 3.75-inches over stock Sport/Sahara
Wheel Travel: Capable of 10.2-inches Front, 11" Rear (+2.7-inches front and +2.4-inches rear over stock Rubicon) when used with Synergy Tuned Shocks and optimal bump stop spacing
Tire Size: Up to 37-inch Rubicon, 35-inch Non-Rubicon
Wheel Travel: Capable of 10.2-inches Front, 11" Rear (+2.7-inches front and +2.4-inches rear over stock Rubicon) when used with Synergy Tuned Shocks and optimal bump stop spacing
Tire Size: Up to 37-inch Rubicon, 35-inch Non-Rubicon
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Yessssss 🩷🩷🩷🩷🩷
Size: 9, Color: Light Brown, Size: 9, Color: Light Brown
These things are SO comfortable! I feel like I’m walking on clouds 🩷 I ordered this tan and a black pair and I’m glad I did! I wish more colors were available in my size but apparently I got the memo late 😒.
I usually wear a size 8 1/2 women and I ordered a 9 based on reviews with photos. The 9 fits wonderfully, my fat feet have room to spread when I’m walking and they provide adequate arch support. The color is as pictured, the shoe itself is cute, and I am able to walk normally without any discomfort…. If you are thinking about it, go ahead and get them girl they feel like heaven. Just order a half size bigger.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
Love these shoes!
UGG dupes! These are amazing! I love how comfortable these are. I have worn these quite a few times now with no issue. Definitely worth the price! I have seen a couple of complaints about the durability of these, but at the selling price I would gladly repurchase these over paying for the UGG brand. They fit TTS. I will definitely be ordering these in the lighter color!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 5
Sooo cute and comfortable!
I have two pairs of these sandals in pink and a cream color and they are sooo freaking comfortable! I have sciatic nerve pain so my leg gets fatigued fairly quickly from standing but I find these shoes allow me to stand longer and more comfortably. I’m hoping they’ll have the black sandals in an 11 back in stock soon because I want those as well 😆 If you’re looking for cute and functional footwear for the summer you can’t go wrong with these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 1
Not it.
Size: 10, Color: Nude, Size: 10, Color: Nude
I ordered these and was highly disappointed. The first pair I got, the velcro pieces were coming off. The threading was either coming undone or just wasnt there. On both shoes. I sent them back, had them send me a new pair, hoping it was just a fluke, cause those do happen. The next pair was better, but the corners on the velcro pads were still coming up, and i just didnt trust it to stay together. I sent them back and got a refund.
As for fit, the first pair fit great, my foot was a little to skinny I think, or the straps were too loose even pulled as tight as they could go while still being able to connect the velcro pieces. It was something I could have probably worked with, they looked cute still and I still wanted to love them.
The second pair, however, straps were still too loose. That didnt change. However, I got the same size, but this pair, my toes were too long for. Like, they were up on the little toe ledge thats supposed to frame your foot. That was uncomfortable. So I feel like the sizing was inconsistent. Another reason I opted to send them back for a refund. The shoes are cute, and i usually dont have issues with this brand. I have a couple pairs of boots from them that I absolutely love. But these sandals were a huge disappointment, unfortunately.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Comfy but run large!
Runs large IMO. I originally ordered a 7 and they were much too big and the straps were way too long. I ended up returning them and ordering a 6.5, and I love them. They are SO comfy and they go with just about everything. I will say the top strap gets smudged easily, but I’ve just been wiping them with a wet cloth and the smudges are gone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 14, 2025
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