Home » Jeep Lift Kits & Suspension » Lift Kits » Spring Lift Kits » Rock Krawler JK15FS-4S1 1.5" Flex Stage 1 System Lift Kit for 07-17 Jeep® Wrangler Unlimited JK 4 door

Rock Krawler JK15FS-4S1 1.5" Flex Stage 1 System Lift Kit for 07-17 Jeep® Wrangler Unlimited JK 4 door

Catalog #: 16189.2518
Rock Krawler Part #: JK15FS-4S1
Rock Krawler Suspension’s 1.5 and 2.5” Stock Mod Systems are a high value entry level kit. Stock Mod Systems provide you the ability to upgrade in the future or replace an underperforming linear coil spring system. All Stock Mod Systems include tuned triple rate coil springs for the ultimate in ride quality and assured lift heights. Double Adjustable bomb proof front track bars are included in all stock mod kits. This track bar allows you to center the front axle under the vehicle to ensure the vehicle is tracking properly. Also included is a rear track bar bracket that is produced from a rigid laser cut plate steel. This bracket perfectly centers the rear axle while improving the rear roll center. Rock Krawler’s Stock Mod kits are the highest value systems on the market today for Wrangler owners wanting to run 33-37” tires. *37” tires require 2.5” of lift and flat fenders
  • Complete Bolt in System

  • Excellent Highway Ride and Handling

  • Improved Off-Road Performance

  • Caster Correcting High Clearance Front Lower Control Arms

  • Long Travel Functional Multi Rate Coil Springs

  • PRO Front Sway Bar Disconnects/Extended Links

  • Sport Tuned 2.0 RRD Spec'd Prodigy Shocks

  • 33" or 35" Inch Tires (OEM Fenders)

  • Abuse Proof Lifetime Warranty on All Hard Parts
Installation Notes
Installation Difficulty:
Level 2Intermediate
Installation Time: 4-6 hours
Parts Included

4) Long travel functional muti rate coil springs
(4) 2.0 RRD Spec'd Prodigy shocks
(1) Double adjustable front track bar made from 1.5" solid alloy steel with Anti-Wobble Joint
(2) High clearance adjustable front lower control arms made of 1.625" solid alloy steel
(1) Rear track bar relocation bracket
(2) Long travel front stainless steel brake lines
(1) Pair of front sway bar straps
(2) Adjustable sway bar disconnects
(4) Bump stops, hardware and detailed instructions.

Limited Lifetime Warranty
  • Features: Long Arm
  • Shocks Included: With Shocks
  • Max Tire Size: 33
  • Lift Height Range: 0 - 2.5 inch
  • Included Parts: Bump Stops, Coil Springs, Extended Brake Lines, Front Lower Control Arms, Front Track Bar, Hardware, Rear Track Bar, Rear Track Bar Bracket, Rear Upper Control Arms
  • Jeep Wrangler Unlimited 4-Door (JK)

  • 2017 Jeep Wrangler Unlimited 4-Door (JK)
  • 2016 Jeep Wrangler Unlimited 4-Door (JK)
  • 2015 Jeep Wrangler Unlimited 4-Door (JK)
  • 2014 Jeep Wrangler Unlimited 4-Door (JK)
  • 2013 Jeep Wrangler Unlimited 4-Door (JK)
  • 2012 Jeep Wrangler Unlimited 4-Door (JK)
  • 2011 Jeep Wrangler Unlimited 4-Door (JK)
  • 2010 Jeep Wrangler Unlimited 4-Door (JK)
  • 2009 Jeep Wrangler Unlimited 4-Door (JK)
  • 2008 Jeep Wrangler Unlimited 4-Door (JK)
  • 2007 Jeep Wrangler Unlimited 4-Door (JK)
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