Rough Country 78100U Jeep Wrangler JK, Unlimited Long Arm lift kit

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2012-17 Jeep Wrangler JK, Unlimited 4" & 6" Long Arm Upgrade Kit

Product No: 78100U HK

Availability: In stock


Important Notes

It is highly recommended that the stock shafts not be used for the 6" lift and new yoke style shafts are installed. Exhaust loop pipe is included.

Quick Overview

To upgrade your Jeep Wrangler JK and Unlimited lift to the Long Arm Version, Rough Country provides what you need. Included are front sway bar disconnects, front & rear stainless steel brake lines, front HD lower skid plate, front & rear X-Flex lower control arms and front and rear upper radius arms, front crossmember with frame strengthening brackets and all hardware. Your Wrangler can tackle any obstacle with the Rough Country front and rear Y-link Suspension setup featuring HUGE adjustable 2" lower control arms and X-Flex Joints. This Dual Y-link Suspension setup with longer travel arms not only prevents binding and rear-steer, it gives you unparalelled axle flex while keeping pinion angles optimized - letting you negotiate trails on your terms.

View lift kit installation instructions

    • Make: Jeep
    • Model: Wrangler JK
    • Vehicle: 2012-17 Wrangler JK 4" & 6" Long Arm Upgrade Kit
    • 2or4: 4WD
    • Upsell: 1030 HK, 5071.1A HK, 5072.1 HK, 5073.1 HK
    • Make: Jeep
    • Model: Unlimited
    • Vehicle: 2012-17 Unlimited 4" & 6" Long Arm Upgrade Kit
    • 2or4: 4WD
    • Upsell: 1030 HK, 5071.1A HK, 5072.1 HK, 5073.1 HK


Rough Country lift kit fits the following models:
2012 Jeep Wrangler JK, Unlimited
2013 Jeep Wrangler JK, Unlimited
2014 Jeep Wrangler JK, Unlimited
2015 Jeep Wrangler JK, Unlimited
2016 Jeep Wrangler JK, Unlimited
2017 Jeep Wrangler JK, Unlimited

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