Long Arm Upgrade Kit | Jeep Wrangler JK / Wrangler Unlimited(2007-2018)
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Rough Country
Rough Country

Long Arm Upgrade Kit | Jeep Wrangler JK / Wrangler Unlimited(2007-2018)

Product Code: RC-78600U

OVERVIEW

Transform Your Suspension: Upgrade your Rough Country four or six-inch lift kit into a full-fledged, high-performance 4-link Long Arm setup for unparalleled capability and off-road confidence. Unmatched Flex and Clearance: Experience incredible axle articulation and impressive ground clearance without the hefty price tag of a completely new kit. Complete 4-Link Control: This upgrade includes a full set of front and rear upper and lower adjustable control arms, giving you precise control over wheelbase and pinion angle adjustments. Rugged Durability: Each control arm is crafted from heavy-wall DOM tubing and features Rough Country's adjustable flex joints with durable OEM-style rubber bushings, ensuring long-lasting flex and performance. Built for Strength: All brackets are fabricated from thick 1/4-inch high tensile strength plate steel for maximum durability and reliability under extreme conditions. Easy, No-Weld Installation: Designed for a faster, hassle-free install with no welding required and no need to remove the factory crossmember. Complete Installation Kit: Includes extended stainless steel brake lines and coil correction plates for a seamless and efficient upgrade process. Peace of Mind Guarantee: Backed by Rough Country's Lifetime Replacement Guarantee for confidence and lasting value.


Features

  • Exceptional Articulation: Delivers superior off-road flexibility and smooth axle movement on tough terrain.
  • No Welding Required: Simplifies installation with a bolt-on design for quick, hassle-free setup.
  • True 4-Link Setup: Features longer travel control arms engineered for maximum suspension performance.
  • Prevents Binding and Rear-Steer: Enhances stability by eliminating suspension bind and unwanted rear steering effects.
  • Coil Correction Plates: Correct the rear coil spring angle by 10 degrees, improving spring efficiency and ride quality.
  • Unparalleled Axle Flex: Allows maximum axle articulation while maintaining optimized pinion angles for driveline health.
  • X-Flex Control Arms: Feature OEM-style rubber bushings, fully rebuildable flex joints, a massive 2.5" diameter body with 1.25" threads, and a fully greasable design for unbeatable durability and performance.

Notes

  • An upgraded front and rear drive shaft is HIGHLY recommended.
  • ONLY for models equipped with a 4-6" suspension lift.

Install Time

8-10 hours


Instruction

View Instruction Sheet

Fitment

  • 2007-2010 2WD Jeep Wrangler JK Unlimited
  • 2007-2018 4WD Jeep Wrangler JK (2 Door)
  • 2007-2018 4WD Jeep Wrangler JK Unlimited

Sale Price CAD $2,449.95
Retail price CAD $2,449.95
Online Availability
Quantity Available: 0
This kit contains 4 products
1
Long Arm Universal Kit Box | Jeep Wrangler JK (07-18)
Long Arm Universal Kit Box | Jeep Wrangler JK (07-18)
Code: RC-785BOX1
1
Long Arm Universal FR Kit Box | Jeep Wrangler JK (07-18)
Long Arm Universal FR Kit Box | Jeep Wrangler JK (07-18)
Code: RC-785BOX2
1
Long Arm Universal RR Kit Box | Jeep Wrangler JK (07-18)
Long Arm Universal RR Kit Box | Jeep Wrangler JK (07-18)
Code: RC-785BOX3
1
Long Arm Exhaust Box | Jeep Wrangler JK (07-18)
Long Arm Exhaust Box | Jeep Wrangler JK (07-18)
Code: RC-785BOX4
ETA RC: Oct 26, 2026