Zone Offroad 4" Suspension Lift Kit w/ Nitro Shocks | 2012-2018 Jeep Wrangler JK Unlimited 4-Door

4-Inch Jeep Wrangler JK Unlimited Lift Kit for 35-Inch Tires and Improved Off-Road Capability

Bottom Line: The Zone Offroad 4-Inch Suspension Lift Kit with Nitro Shocks is engineered to provide 2012-2018 Jeep Wrangler JK Unlimited owners with additional ground clearance, improved wheel travel, and proper suspension geometry while accommodating up to 35-inch tires.

Because: Zone Offroad designed this system using full-length replacement coil springs, an adjustable front track bar, rear track bar relocation bracket, extended sway bar links, and bump stop extensions to maintain ride quality while improving off-road capability. Official fitment supports 2012-2018 Jeep Wrangler JK Unlimited 4-door models and recommends 35x12.50 tires with appropriate wheel backspacing.

"Suspension geometry correction is critical when lifting a Wrangler. Proper track bar positioning and caster correction help maintain predictable handling and alignment." — Suspension Engineering Best Practices recognized throughout the off-road industry.

Whether you're building an overland-ready Wrangler, a weekend trail machine, or a daily-driven Jeep with enhanced stance and tire clearance, this complete suspension system provides the essential components required to achieve a true 4-inch lift while maintaining drivability. The included Nitro Series shocks feature nitrogen-charged twin-tube construction and velocity-sensitive valving designed to improve ride control on pavement and uneven terrain.

For owners regularly encountering snow-covered roads, rocky trails, forest service roads, and challenging terrain, the Zone Offroad 4-inch lift delivers additional clearance while preserving suspension articulation and overall vehicle balance.

Technical Specifications

Vehicle Fitment

• Jeep Wrangler JK Unlimited Sport (4-Door) — 2012-2018
• Jeep Wrangler JK Unlimited Sport S (4-Door) — 2012-2018
• Jeep Wrangler JK Unlimited Sahara (4-Door) — 2012-2018
• Jeep Wrangler JK Unlimited Rubicon (4-Door) — 2012-2018
• Jeep Wrangler JK Unlimited Altitude (4-Door) — Applicable Years
• Jeep Wrangler JK Unlimited Mountain (4-Door) — Applicable Years
• Jeep Wrangler JK Unlimited Willys Wheeler (4-Door) — Applicable Years
• Jeep Wrangler JK Unlimited 75th Anniversary (4-Door) — Applicable Years

Not Compatible With: 2-door Wrangler JK models. Use the dedicated Zone Offroad 2-door system instead.

Installation Notes

• Factory wheels cannot be reused due to rear sway bar clearance limitations.
• Recommended wheel backspacing is approximately 4.5 inches.
• 35x12.50 tires may require minor trimming depending on wheel specifications.
• Professional alignment is recommended after installation.
• Caster correction hardware is included to aid alignment geometry.
• Verify torque specifications using manufacturer installation documentation.

Frequently Asked Questions

Will this lift kit fit a 2018 Wrangler JL?

No. This system is designed exclusively for the Wrangler JK platform, including 2018 JK models.

Can I run 35-inch tires with this lift?

Yes. Zone Offroad specifically recommends 35x12.50 tires when paired with the proper wheel specifications.

Does the kit include shocks?

Yes. SKU J38N includes Zone Offroad Nitro Series nitrogen-charged shocks.

Will ride quality suffer after installation?

The replacement coil spring design is engineered to maintain ride quality while improving wheel travel and ground clearance.

Do I need aftermarket brake lines?

No. Included brake line relocation brackets allow continued use of factory brake lines.

SKU: J38N