JKS J-Venture 2.5" Lift Kit w/ Fox 2.5 | HD Coils | 2018–2026 Jeep Wrangler JL 4-Door

JKS J-Venture 2.5" Lift Kit w/ Fox 2.5 | HD Coils | 2018–2026 Jeep Wrangler JL 4-Door

Is This for You?

You want a moderate lift on your accessorized JL 4-Door Unlimited — enough to clear 35s with proper backspacing, handle your steel bumper and winch load, and maintain a street-friendly stance — without the complexity of a long-arm conversion. The JSPEC118PS delivers JKS geometry-corrected short-arm control arms with Fox 2.5 Performance Series reservoir shocks and HD coil springs. It's the premium-shock, heavy-duty coil configuration of the J-Venture 2.5" lineup for built rigs.

The Result

2.5" of lift with JKS geometry-corrected short-arm control arms. HD coils maintain ride height under accessory loads. Fox 2.5 reservoir shocks deliver consistent damping and heat dissipation on extended trail runs. No differential drop required. Adjustable control arms allow precise alignment post-install. The result is a capable, planted JL 4-Door that handles the weight of a built rig without sacrificing on-road composure.

Verified Fitment (OFAS Standard)

• Fits: 2018–2026 Jeep Wrangler JL 4-Door (Unlimited) — Gas Models
• Does NOT fit: JL 2-Door | JL Diesel (EcoDiesel) | JL 4xe Hybrid | JK (2007–2018) | Gladiator JT

System Specifications

• Lift Height: 2.5"
• System: J-Venture Short-Arm
• Shock: Fox 2.5 Performance Series w/ Reservoir
• Coil Rate: HD — tuned for accessorized JL 4-Door builds with steel bumpers or winch
• Control Arms: JKS geometry-corrected short-arm control arms
• SKU: JSPEC118PS

Installation & Fabrication Notes

Short-arm system does not require differential drop or relocation. Professional 4-wheel alignment required post-installation. Torque all control arm hardware to JKS specification after a 500-mile break-in. Confirm Fox 2.5 reservoir clearance against skid plates and rock rails during install. No cutting or welding required for standard JL 4-Door gas applications.

Wheel & Tire Fitment

Engineered for 35" tires on an accessorized build. Recommended backspacing: 4.5"–4.75" on a 17"×9" or 18"×9" wheel. At 2.5" of lift, fender clearance with 35s is tight — confirm tire brand and tread width before finalizing wheel selection. 37" tires are not recommended at this lift height without fender modification.

Engineering Question

Running a J-Venture 2.5" HD short-arm build with Fox 2.5 reservoir shocks on a JL 4-Door with a full steel front end — how does the Fox 2.5 reservoir's heat capacity compare to the 2.0 non-reservoir under sustained trail use with a heavy front end? The reservoir adds meaningful thermal capacity — but the real variable is your trail length and terrain type. A 3-hour rocky trail with a loaded front bumper will stress any shock differently than a 1-hour moderate run. Contact OFAS with your build weight and trail profile and we'll confirm whether the 2.5 reservoir is the right spec for your use case.