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Description
JK 3.0 Inch Lift Stage 4 Suspension System 07-18 Wrangler JKU 4 DR Synergy MFGSynergy Jeep JK 3 Inch Lift Stage 4 Long Arm Suspension System is for those wanting maximum performance and capability without sacrificing ride quality. It carries over the quality components of the Stage 3 System, but improves upon them by swapping out the Standard Length Control Arms for Adjustable Long Arms and Long Arm Mounting Brackets. This is a 100 percent bolt on system with no welding required. This system will fit 35 inch tires with stock
Synergy Jeep JK 3 Inch Lift Stage 4 Long Arm Suspension System is for those wanting maximum performance and capability without sacrificing ride quality. It carries over the quality components of the Stage 3 System, but improves upon them by swapping out the Standard Length Control Arms for Adjustable Long Arms and Long Arm Mounting Brackets. This is a 100 percent bolt on system with no welding required. This system will fit 35 inch tires with stock fenders or 37 inch tires with high fenders.
Details:
- Fits 07-18 Jeep Wrangler Unlimited JK 4-Door
- Stage 4 key features are front and rear track bar relocation brackets, flipped drag link, and all adjustable upper lower long arms
- Front and rear bump stop extension kits
- Front and rear sway bar links
- Front and rear extended Stainless Steel steel braided brake lines
- Synergy double adjuster sleeve pinch bolt assembly allows for adjustment of control arm, track bar, tie rod, and drag link length without removal
- Front and rear track bar relocation brackets raise track bar mounting positions increasing suspension roll center heights which improves handling on and off road
- Lower control arms are manufactured from high quality crush resistant 2X.250 inch Wall 1026 DOM tubing
- Features Synergy Dual Durometer Bushings (DDB) with Teflon bearing surface for a maintenance free design focusing on performance, flex, longevity, and ride quality.
- Front and rear lower shock mounts
- Optional front sway bar disconnect system for ultimate trail articulation mounts sway bar up and out of the way when disconnected from the axle
- Progressive wound coil spring manufactured using the latest in CNC hot winding technology keeps spring from coming unbound at full suspension droop
- Suspension components feature an abrasion-resistant Powdercoat finish for maximum durability and corrosion resistance
- 100 percent bolt on components assure an easy, trouble free installation with the use of basic hand tools
- Requires a maximum 4-3/4 inch backspace wheel or wheel spacer with factory wheel setup. 4-1/2 inch back spacing is recommended
- Synergy suspension systems are a modular design so all components are available separately
Note:
- 2012+ JK's lifted over 2 inch will require exhaust spacers (5017), or a front aftermarket drive shaft to prevent interference with the exhaust.
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
4.4 ★★★★★
Based on 1227 reviews
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Product Reviews
★★★★★ 5
Lovely cabinet but needs time to put together!
Color: White, Size: 23x29
The overall cabinet is what I was looking for. Very sturdy and good looking. The main problem my husband had was with the directions to put it together. The pictures were hard to see and the majority of written directions were hard to understand. Definitely took longer to put together than should have taken. But when it was completed and hung, I have to say I love it. Be prepared to have patience and enough time set aside to put it together.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Solid cabinet; all aligns well
Color: White-1927, Size: 19x27
Amazon declined my first buy/ship if this cabinet as it was damaged when it reached Amazon. That was fine, but I still had to go thru ‘return’ process of Amazons, w/o a product to return; so I used their ‘chat feature’ to explain—went smoothly, and they secured the replacement for me; I just need to check latest bill to be sure I was only charged once. OK, now onto the cabinet: Solid materials (for MDF-which I generally avoid), and assembled + installed in just 1hr. Btw, I add ‘glue’ the the provided 8 wood dowels used for assembly. The doors hinge adjustments are easy to align doors for final finish. While this cabinet ‘hangs’ on its cleat, I did add one screw to the inside-bottom of cabinet to ensure no one inadvertently may ‘lift’ the cabinet off its cleat. This is rock solid secured to me wall above toilet for great extra storage in the kids’ bath! Overall, a good buy; but did expect it to be cheaper price considering MDF material and made in China. I look for country of origin now and try to buy from US friendly countries. Good luck, Mark in NY.
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Reviewed in the United States on April 1, 2024
★★★★★ 5
Very impressive
Color: Navy Blue, Size: 23x29
I've had a lot of experience with modern furniture that you have to put together. Most of it, I worry about the durability of the product. Most is put together with repurposed particle board. So it's heavy and I would think not durable - especially in a damp environment.
Saying that, I was very impressed with this product.
My experience with the product to this point has been the best of those type of products. It shipped very well...everything in place and neatly packed. The engineered wood (resembles plastic) seems solid, water resistant at a minimum, and scratch resistant. The instructions provided - while the product was easy to assemble - were amongst the clearest I've seen from such a product.
What impressed me the most was the thought behind the design of this product. The hinges are perfect for the product. The doors can be easily removed by pushing a button on the hinge. The holes on the boards were perfectly drilled - so much so that I didn't have to pound any board to put them together. The back wasn't nailed on and the slot used for the backing was spot on.
If I had to choose negatives (and I'm really nit-picking because this is really designed that well) it was that the shelf ends up being a bit loose and I would have liked the mounting board to match the width of the slot it was being used to fill. Both can be fixed at the house by home products and screws.
I was so impressed that I would go and buy another product from this manufacturer (and look for the manufacturer by name). IT is that good.
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Reviewed in the United States on December 4, 2022
★★★★★ 5
Great looking, nice quality
Color: Black, Size: 23x29
There is some assemble required. if your not ready to assemble this product may not be for you.
the machining was spot on, all parts went together as they should.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Stylish, sturdy cabinet
Color: White
This cabinet was even nicer than I thought it would be—stylish, sturdy, and easy to assemble. Perfect for holding medicines and small items in the bathroom, easy to see and find, out of reach of children.
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Reviewed in the United States on May 8, 2026
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