JKS 3.5" Lift Kit · J-Max Wrangler JL
- Front lift 3.5"
- Rear lift 3"
- Shocks included
- Lift 2-3.5"
- Install 14hrs
- Difficulty Very Diffcult
Questions about fitment? Live chat or call 866-235-4715
Complete your build
Optional add-ons
Steering Stabilizers
Accessories
Add-ons selected:
Couldn't load pickup availability
- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Important notes before you order
- Factory wheels cannot be reinstalled without wheel spacers
- Aftermarket wheels with 3.5” backspacing are required for clearance
- Requires cutting/removal of factory frame mount brackets
- Front aftermarket driveshaft strongly recommended due to additional travel capability
- Removal of coilover preload required on 2Dr models to achieve a minimum 3.5” of lift
- Will NOT fit 4xe models
- Will NOT fit Rubicon 392 models
- Will NOT fit diesel models
- Fits Rubicon Models Only
TRU specialist notes
From the Trucks R Us fitment and install team, beyond the manufacturer's information.
- Plan for a professional wheel alignment after installing any lift or leveling kit.
- Going to bigger tires as well? Speedometer recalibration may be needed, and some tire and wheel combinations need trimming. Check the recommended wheels and tires, or ask us before you order.
Specifications
| Brand | JKS Manufacturing |
|---|---|
| Part number | JSPEC129KFC |
| UPC / GTIN | 810163870354 |
| Front Lift Method | Coil-Over |
| Front Lift Height | 3.5" |
| Rear Lift Method | Coil-Over |
| Rear Lift Height | 3" |
| Shocks Included | Yes |
| Lift Height | 2-3.5" |
| Installation Difficulty | Very Diffcult |
| Installation Time | 14hrs |
| Install time | 14hrs |
| Difficulty | Very Diffcult |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
What's in the box
| Qty | Part | Description |
|---|---|---|
| — | — | Included with every option |
| 1 | FOX88406252 | FOX 2.5 Front Coilover Shocks w/ DSC | 3.5 Inch Lift | Factory Series | Jeep Wrangler JL (18-27) |
| 1 | FOX88406253 | FOX 2.5 Rear Coilover Shocks w/ DSC | 3.5 Inch Lift | Factory Series | Jeep Wrangler JL (18-27) |
| 1 | JKS2511 | 2018-2026 Jeep JL Wrangler Front Coilover Conversion Box Kit |
| 1 | JKS2518 | 2018-2026 Jeep JL Wrangler Rear Coil-over Mount Box Kit |
| 1 | JSPEC1313 | 2018-2026 Jeep Wrangler JL J-Krawl MAX 3.5in 4Dr w/Fox 2.5 Series R/R Coil-Over w/DSC |
| — | — | Flex End / Rubber Bump Stop (JSPEC129KFC) |
| 1 | JKS1616 | Adjustable Control Arms | Front Upper | Wrangler JL and Gladiator JT |
| 1 | JKS1625 | Adjustable Control Arms | Front Lower | Wrangler JL and Gladiator JT |
| 1 | JKS1661 | Adjustable Control Arms | Rear Lower | Wrangler JL |
| 1 | JKS1666 | Adjustable Control Arms | Rear Upper | Wrangler JL |
| 1 | JKS2512 | 2018-2026 Jeep JL Wrangler Front Coilover Conversion - Standard Bump Box Kit |
| — | — | Flex End / FOX 2.0 Hydro Bump Stop (JSPEC183KFC) |
| 1 | FOX88302167 | Kit: 18-ON Jeep JL & 20-On Jeep Gladiator Front, Gen2, Bump Stop 2.0 Series, IFP, 2.00" Travel, 10.00" EXT |
| 1 | JKS1616 | Adjustable Control Arms | Front Upper | Wrangler JL and Gladiator JT |
| 1 | JKS1625 | Adjustable Control Arms | Front Lower | Wrangler JL and Gladiator JT |
| 1 | JKS1661 | Adjustable Control Arms | Rear Lower | Wrangler JL |
| 1 | JKS1666 | Adjustable Control Arms | Rear Upper | Wrangler JL |
| — | — | Rubber Bushing / Rubber Bump Stop (JSPEC188KFC) |
| 1 | JKS1632 | J-Link Adjustable Control Arms | Front Lower | Wrangler JL & Gladiator JT |
| 1 | JKS1634 | J-Link Adjustable Control Arms | Front Upper | Wrangler JL & Gladiator JT |
| 1 | JKS1636 | J-Link Adjustable Control Arms | Rear Lower | Wrangler JK/JL |
| 1 | JKS1639 | J-Link Adjustable Control Arms | Rear Upper | Wrangler JK & JL |
| 1 | JKS2512 | 2018-2026 Jeep JL Wrangler Front Coilover Conversion - Standard Bump Box Kit |
Features
- Front FOX 2.5 Remote DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
- Rear FOX 2.5 Piggyback DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle.
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased off road articulation.
- Extended Length Braided Stainless Steel Rear Brake Lines.
- Front/Rear J-Flex or J-Link Upper Control Arms to add strength and adjustability.
- Front/Rear J-Flex or J-Link Lower Control Arms to add strength and adjustability.
- Front/Rear Bump Stop Extensions to properly limit suspension up travel.
Recommended wheels & tires
- 35 x 12.5 with 17 x 8 and 3.5 in. Backspace
- (Trimming may be required)
Installation
- Estimated install time14hrs
- DifficultyVery Diffcult
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
J-Max pulls out all of the stops to offer a truly performance driven suspension package. At each corner are custom tuned FOX 2.5 factory race series coilovers with DSC adjustment. These coilovers offer race proven technology with a larger 2.5” diameter body, dual rate springs and (DSC) dual speed compression adjustment for maximum tunability. Each of the 8 control arms, upper and lowers, front and rear are upgraded to J-Flex or J-Link adjustable control arm for improved strength, offroad performance and adjustability. In addition, these kits feature high strength bolt-on coilover mounting brackets, an adjustable front track bar, sway bar quicker disconnects and more offer take your Jeeps trail performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to additional travel capable.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
Do I need an alignment after installing?
Yes. Any lift or leveling kit changes suspension geometry, so get a professional alignment after installation.
No reviews for this part yet. Trucks R Us is rated on Trustpilot, Google and the BBB.