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Rock Krawler 3.5" Mid Arm Flex System Lift Kit by Rock Krawler

Part no: ROCK-RKJK35FS

$1,179.00 + free Shipping
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This product fits only specific vehicles. Select your vehicle to ensure it fits.

Product Details

Important Notes:

  • ONLY for 2 door Wrangler JK models
  • 4.5" of backspacing is recommended for 12.5" wide tires.
  • For 2012 and newer models an aftermarket front driveshaft with 2" O.D. steel tubing is recommended, but not required.

Maximum Tire Sizes:

  • 35" tires with OEM Fenders
  • 37" tires with Flat Fenders


  • 2007-2017 Jeep Wrangler JK


If you are looking to upgrade your Wrangler JK and run up to 3.5" tires with greatly improved off-road ability, then the Rock Krawler 3.5" Flex Mid Arm System Lift Kit is the one for you. Rock Krawler 3.5" Flex System is the best mid level performance based system for the Wrangler JK. The 3.5" Flex System has been engineered to provide you with perfect steering corrections so your on highway handling maintains factory characteristics and is 100% ESP compliant. The off-road upgrades are out of this world and include features like high clearance adjustable lower control arms, front sway bar disconnects, long travel linear coil springs and front long travel stainless steel brake lines to just name a few. The 3.5" Flex System is easily upgraded to any of our other systems. Check out the Rock Krawler features and components, compare them to the competition's flex systems and you will find that nothing compares to the Rock Krawler 3.5" Mid Arm Flex System.

Product Details:

  • Complete bolt-in system
  • Excellent highway ride and handling
  • Improved off-road ability
  • Front caster and rear pinion angle adjustability
  • Abuse proof lifetime warranty on all hard parts

Parts Included:

  • (2) Front Long Travel Functional Multi Race Coil Springs
  • (2) Rear Long Travel Functional Multi Race Coil Springs
  • (1) Front Double Adjustable Track Bar
  • (2) Front High Clearance Adjustable Lower Control Arms
  • (2) Front Adjustable Sway Bar Disconnects
  • (1) Rear Track Bar Relocation Bracket
  • (2) Rear Extended Sway Bar Links
  • (2) Front Sway Bar Straps
  • (2) Front Long Travel Stainless Steel Brake Lines
  • (2) Rear Long Travel Stainless Steel Brake Lines
  • Hardware

Years Covered:

2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and 2017

For California residents: Proposition 65 Warning

Vehicle Fitment

2007-2018JeepWrangler JK

Additional Information

BrandRock Krawler
SKU Aliases ROCK-RK03100, ROCK-RK03101, ROCK-RK02024B, ROCK-RK02015, ROCK-RK04853
Maximum Tire Size35"
Lift Height3.5"
Suspension TypeCoil Spring

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