Rock Krawler YJ Trail Runner Long Arm Upgrade Lift Kit for 87-95 Jeep Wrangler YJ



Rock Krawler YJ Trail Runner Long Arm Upgrade Lift Kit for 87-95 Jeep Wrangler YJ


The YJ Trail Runner System is perfect for those looking to get the most out of your Wrangler. The wheelbase is stretched to 102 Inch. This is accomplished by an approximate 2 Inch front stretch and 6 Inch rear stretch greatly improving approach and departure angles. This wheel base, combined with the multi link design and tuned coilovers, makes your YJ great for just about all off-road conditions as well as street use. The approximate lift height supplied is 4.5 Inch over stock and is adjustable of course. Please make sure to review the requirements for the system and proper fitment before purchasing in the notes below.

System Benefits:

  • Amazing Off-Road Ability
  • Excellent Highway Ride and Handling
  • Low COG Suspension Design
  • Lower Control Arms made from 2 inch OD 7/16 inch wall DOM
  • DIY front upper third link arm made 1.75 inch .120 wall DOM steel tubing with weld In bungs
  • Independent Three Link Front End
  • Rear Triangulated 4 Link
  • 1/4 inch Thick Steel Skid Plate and Long Arm Mounting Brackets
  • Weld on Rear Cradle
  • 2 Inch Front Stretch with 6 Inch Rear Stretch
  • 37 Inch/38 Inch Tall Tires with Flat Fenders
  • Up to 40 Inch Tall Tires with High Line Kits

System Includes:
(4) Double-adjustable lower control arms
(2) Front frame side long arm mounts
(1) Crossmember assembly made from .25 inch thick laser cut steel
(1) Front upper third link arm
(2) Rear upper control arms
(1) Rear frame stiffener/cross member
(1) Weld on rear axle truss
Includes hardware and instructions


  • Requires minimum of 65 WMS (JK width) with 3.5 inch backspace wheels or minimum of 67 WMS with 4.5 inch backspace wheels.
  • Requires a SYE with C.V. driveshaft.
  • With long rear uppers, a custom cat back exhaust is required.
  • Hydraulic bump stops and limit straps recommended.
  • Steering geometry sold separately and based on axle configuration and availability (i.e. track bars, drop pitman arms, drag links, tie rods etc.)
  • Long travel sway bars are recommended for at least the rear.
  • Requires rear fuel tank conversion such as Gen Right Comp Tank.
  • Flat fenders or high line conversion recommended up front. Stretch corners recommended for the rear.
  • Requires and engine hoop support be fabbed to support front coil over mounts side to side after installation.
  • Fabrication skills and suspension setup knowledge required.

YouTube video if available:

Country of Origin: USA

Lift Height (if applicable):

Location (if available): Front and Rear

Fitment Notes (if applicable): *Includes Lower Control Arm Mounts for the front and rear axles.

Shocks Included (if applicable):

Remote Reservoirs Included (if applicable):

Coilovers Included (if applicable):

Recommended Tire Size (if applicable):

Kit Components (if applicable):

Vehicle Fuel Type (if applicable):

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