ARB Old Man Emu rear coil springs for the Jeep Wrangler JK 4" lift provide the rear suspension lift and spring rate needed to match a 4" front setup, ensuring a level stance and correct suspension geometry across the full lift range. These springs are tuned to handle the increased articulation demands of a 4" build while maintaining composure under load.

Features & Benefits

• 4" rear lift for the Jeep Wrangler JK — matches 4" front coil setup
• Spring rate tuned for increased rear suspension travel and articulation
• Micro-alloyed spring steel for long-term strength and durability
• Double scragged to resist sag on lifted, loaded builds
• Variable rate design for progressive load handling
• Computer-precision mandrel wound to exact specifications
• Black powder coat finish for corrosion resistance
• Manufactured in Australia

Fitment

2007–2018 Jeep Wrangler JK & JK Unlimited — Rear, 4" lift