4.5" Lift Kit | J-Krawl | Wrangler JL 4-Door

For Jeep owners who demand maximum off-road performance and suspension adjustability, the JKS J-Krawl 4.5” Lift Kit is the ultimate high-articulation upgrade for the 2018–2025 Jeep Wrangler JL. This system is built around a full set of JKS heavy-duty J-Link adjustable control arms, available with either OEM-style rubber bushings or advanced Flex Ends that promote superior suspension articulation. The J-Krawl system offers precise tuning of caster, pinion angle, and wheelbase—ideal for aggressive tire setups and serious trail use. Paired with JL-specific dual-rate coil springs, this kit provides a smooth, controlled ride on-road while delivering maximum off-road flex and axle stability.

To maintain proper suspension geometry and handling, the kit includes a front adjustable track bar and rear track bar bracket to keep the axles centered, along with extended sway bar links for improved articulation. Bump stop extensions are included to prevent over-compression, while brake line relocation brackets ensure safety and functionality at full suspension travel. Designed for Jeepers who crawl technical terrain and demand a fully tunable suspension setup, this kit supports up to 37" tires and is compatible with both stock and aftermarket driveshafts (aftermarket recommended for extreme off-road use).

Whether you're building a weekend crawler or a dual-purpose overland rig, the JKS J-Krawl 4.5” Lift Kit gives you the control, clearance, and confidence to push your Wrangler to its limits. If you're serious about suspension performance and full adjustability, this is the kit that delivers.

Features:

• Aftermarket drive shaft is required.
• Drag link flip is required for steering correction. Additional heavy duty steering components are reccomended.
• It recommended to use a strong steering stabilizers. In our testing there a lot of variation between jeeps and how they react to Tire size, Lift heights, Factory steering components, Worn parts. Increasing Caster and Toeing in the tires can help but sometimes a strong stabilize is required to prevent steering wheel shimmy in some vehicles.

Specs:

• Front Lift Method : Coil Spring
• Front Lift Height : 4"
• Rear Lift Method : Coil Spring
• Rear Lift Height : 4"
• Shocks Included : Yes
• Lift Height : 4-5.5"

Install: 5-7hrs · Moderate

Fits: Jeep Wrangler (2018–2027).

Installation: Installation Instructions (PDF)

Free shipping. Installed & serviced at Road Runner Wheels & Tires. Call (678) 400-6467 to confirm fitment.