4 Inch Jeep Long Arm Upgrade Kit 07-18 Wrangler JK Rough Country #7860 — Vicious Offroad Skip to content

4 Inch Jeep Long Arm Upgrade Kit 07-18 Wrangler JK Rough Country #78600U

SKU R/C-78600U
Sold out
Original price $1,699.95 - Original price $1,699.95
Original price $1,699.95
$1,699.95
$1,699.95 - $1,699.95
Current price $1,699.95

Transform your 4in kit into a full-fledge long arm setup with Rough Country's 4in Long Arm Upgrade Kit. This incredible upgrade converts your Rough Country 4in standard or 4in X-series kit into an extremely capable 4-link Long Arm suspension design.

This upgrade gives your Jeep incredible flex and unbelievable clearance at a fraction of the cost of buying an entirely new kit. The 4-link setup includes a full set of front and rear upper and lower adjustable control arms giving you full control to adjust the wheelbase and pinion angle.

Each arm features Rough Country's adjustable flex joints with Clevite rubber bushings and is constructed out of durable heavy-wall DOM tubing for a long lifespan of flex and performance. All brackets are made of a thick 1/4in thick high tensile strength plate steel.

Rough Country's 4in kit boasts an easier install process than most long arm kits, with no welding and no removal of the factory crossmember Required for installation. The kit also includes extended stainless steel brake lines and coil correction plates making it that much faster and easier to install. Includes a Lifetime Replacement Guarantee!

Features:

  • Incredible articulation
  • No welding Required
  • True 4-link setup with new, longer travel arms
  • Prevents binding and rear-steer
  • Coil correction plates correct the rear coil spring angle by 10 degrees, allowing them to function more effeciently
  • Gain unparalelled axle flex while keeping pinion angles optimized
  • X-Flex control arm features:
    • Clevite brand OEM style rubber bushings
    • Flex joints are fully rebuildable
    • Flex joints feature a massive 2.5 Inch diameter body and 1.25 inch thread
    • Fully greasable

Details:

  • Sold As Kit
  • Doors 4 Door
  • Drive 2WD|4WD
  • Lift Height 4.0 inch
  • Mount Style Bolt On
  • Thickness 0.25 inch
  • Front Components Upper adjustable control arms with flex joints Lower adjustable control arms with flex joints
  • Rear Components Upper adjustable control arms with flex joints

Fitment

Year Make Model
2007 Jeep Wrangler
2008 Jeep Wrangler
2009 Jeep Wrangler
2010 Jeep Wrangler
2011 Jeep Wrangler
2012 Jeep Wrangler
2013 Jeep Wrangler
2014 Jeep Wrangler
2015 Jeep Wrangler
2016 Jeep Wrangler
2017 Jeep Wrangler
2018 Jeep Wrangler