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JKS J-Konnect 3.5" Lift Kit w/ Fox 2.0 Performance | 2007–2018 Jeep Wrangler JK 2-Door
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Description
JKS J-Konnect 3.5" Lift Kit w/ Fox 2.0 Performance | 2007–2018 Jeep Wrangler JK 2-Door
Is This for You?
You're building a JK 2-Door and you want the J-Konnect long-arm geometry upgrade with proven Fox damping at a value-forward price point. The JSPEC114KFP pairs JKS long-arm control arms with Fox 2.0 Performance Series shocks — a significant upgrade over factory damping that delivers consistent, predictable performance for moderate trail use and daily driving. If you're running 35s on a JK 2-Door and want long-arm geometry without the reservoir price premium, this is your kit.
The Result
3.5" of lift with JKS long-arm caster and pinion correction. Fox 2.0 Performance shocks deliver reliable, consistent damping for moderate trail use and daily driving. Adjustable upper and lower control arms allow precise alignment post-install. Axle wrap is eliminated and the JK 2-Door's shorter wheelbase benefits from the improved geometry at this lift height.
Verified Fitment (OFAS Standard)
- Fits: 2007–2018 Jeep Wrangler JK 2-Door (Sport, Sahara, Rubicon)
- Does NOT fit: JK 4-Door (Unlimited) | JL Wrangler (2018–2026) | Gladiator JT | Any JL variant
- Platform Note: JK production ended 2018. This kit does NOT apply to any 2019+ Wrangler.
System Specifications
- Lift Height: 3.5"
- System: J-Konnect Long-Arm
- Shock: Fox 2.0 Performance Series (non-reservoir)
- Coil Rate: Tuned for JK 2-Door platform
- Control Arms: JKS adjustable upper and lower long-arm (front and rear)
- SKU: JSPEC114KFP
Installation & Fabrication Notes
Long-arm geometry requires a front differential drop or relocation bracket (included or specified in kit). Professional 4-wheel alignment required post-installation. Torque all control arm hardware to JKS specification after a 500-mile break-in. No cutting or welding required for standard JK 2-Door applications. For extended technical trail use, consider upgrading to the Fox 2.5 Elite variant (JSPEC114PES) for improved heat management and DSC adjustment.
Wheel & Tire Fitment
Engineered for 35"–37" tires. Recommended backspacing: 4.5"–4.75" on a 17"×9" or 18"×9" wheel. The JK 2-Door's shorter wheelbase makes fender clearance more sensitive to tire width — confirm tread width and brand before finalizing wheel selection.
Engineering Question
Running Fox 2.0 non-reservoir shocks on a J-Konnect 3.5" long-arm JK 2-Door build with 35s — how does the JK 2-Door's lighter curb weight affect shock body temperature compared to a heavier JK 4-Door running the same shock at the same lift height? The 2-Door's lower mass reduces the dynamic load per compression cycle, which gives the 2.0 Performance more thermal headroom than it would have on a heavier platform. For moderate trail days on a stock-weight JK 2-Door, the 2.0 Performance is a well-matched shock. Contact OFAS if you're adding accessories or running sustained technical terrain and we'll confirm whether the step-up to a reservoir shock is warranted.