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YJ WRANGLER - ROCK KRAWLER

 

87 - 95 YJ WRANGLER SUSPENSION LIFT KITS

YJ X Factor Pro 8 Long Arm System


YJ 3.5-4" Leaf Spring Lift Kit System

The 3.5" to 4.0" YJ Leaf Spring System is the highest quality spring under system available available for Wrangler YJ's. The system is a complete bolt in. Our leaf springs have the degree shims built in for ease of installation. The system comes complete with a front double adjustable track bar and front double adjustable sway bar disconnects. Those are features that no other manufacturer can match!
Standard Shocks
sold separately
Rock Krawler 4" TJ Short Arm

SYSTEM BENEFITS:

  • Complete Bolt in Sysem
  • Designed to accommodate 32" tires
  • Can fit 33" tires with minor trimming or body lift
  • Front Sway Bar Disconnects Included
  • Double Adjustable Front Track Bar Included
  • Excellent Highway Ride and Handling
  • Limited Lifetime Warranty
# RKYJ40LS....................................

SYSTEM INCLUDES :
(Standard Shocks sold separately, available at check out)
4 Leaf Spring Packs, Front Double Adjustable Track Bar, Front Double Adjustable Sway Bar Disconnects, 1/4" Laser Cut Front Steel Spring Retainer Plates with Sway Bar Disconnect Mounts Built In, Drop Pitman Arm, Rear Stainless Steel Brake Line, New U-bolts, Hardware and Detailed Instructions.

RECOMMENDED ACCESSORIES :
These optional upgrades are available to select when you check out.
  • Stainless steel brakelines
  • Transfer case drop kit

YJ X Factor Pro 8 Long Arm System
Systems made to order (est. 5-7 week lead time)
10% order cancellation fee

YJ 7" Coil Over Conversion

The ultimate suspension system for YJ owners wishing to maintain the stock wheel base has finally arrived! The YJ 8.0" X Factor Pro 8 Coil Over Conversion provides unprecedented ride quality combined with Rock Krawler's legendary off-road performance. Up front this system utilizes our new high clearance effective tri-link front geometry which provides amazing axle control and articulation offroad. This front end design also provides a very smooth highway ride with minimal bump steer thanks to our new adjustable front track bar geometry and drop pitman arm.

The rear suspension features a triangulated four link arrangement with anti-squat rear geometry for awesome articulation and climbing ability. This system features true Racing Coil Overs or Air Shocks at all four corners. No other system even comes close for Wrangler YJ's!

Standard Shocks
sold separately

Picture shown with coil over assemblies.

SYSTEM BENEFITS:

  • Excellent Highway Ride and Handling
  • Allows for massive 12" Coil Over Racing Shocks or Air Shocks up front!
  • Allows for 10" Coil Over Racing Shocks or Air Shocks in the rear!
  • Skid Plate Mount Design that Adds Structure to the Frame, Provides a 1" Gain in Ground Clearance, Has a Smooth Bottom and is Made from 1/4" Thick Steel!
  • Massive 2" Solid Control Arms!
  • Allows for 37" Tires!
  • Limited Lifetime Warranty!
# RKYJXFPRO8....................................

SYSTEM INCLUDES :
(Standard Shocks sold separately, available at check out)
Front upper and lower coil over shock mounts made from 1/4" thick laser cut steel, rear upper and lower coil over shock mounts made from 1/4" thick laser cut steel, front and rear axle mounts made from 1/4" thick laser cut steel, 4 high misalignment/double-adjustable lower long arms made from 2.00" solid stock, skid plate and skid plate mounting brackets made from 1/4 thick laser cut steel, 1 torque arm made from solid stock, high misalignment/adjustable front track bar made from solid stock, track bar relocation bracket made from 1/4" thick laser cut steel, front track bar relocation bracket made from 1/4" thick/laser cut steel, rear upper triangulated 4 link arms made from solid stock, rear triangulated 4 link mounting cradle/axle truss made from 1/4" thick laser cut steel, extended stainless steel brake lines, front adjustable sway bar disconnects, extended rear sway bar links, hardware and detailed instructions.

NOTES:
  1. Available for any axle combination.
  2. With the long rear uppers, a custom cat back exhaust is required.
  3. Requires full S.Y.E and C.V driveshaft.
  4. Requires removal of the OEM leaf spring mounts and many OEM axle mounts.
  5. Welding is required, but every part either fixtures in place or has an alignment point.
  6. It is highly recommended to have a high pinion rear axle.
RECOMMENDED ACCESSORIES :
These optional upgrades are available to select when you check out.
  • Heavy Duty Cross Over Steering Upgrade

YJ X Factor Pro 8 Long Arm Stretch System
Systems made to order (est. 5-7 week lead time)
10% order cancellation fee

YJ 7" Coil Over Conversion

The ultimate suspension system for YJ owners wishing to stretch your wheel base has finally arrived! The YJ 8.0" X Factor Pro 8 Stretch Coil Over Conversion provides unprecedented ride quality combined with Rock Krawler's legendary off-road performance. Up front this system utilizes our new high clearance effective tri-link front geometry which provides amazing axle control and articulation offroad. This front end design also provides a very smooth highway ride with minimal bump steer thanks to our new adjustable front track bar geometry and drop pitman arm.

The rear suspension features a triangulated four link arrangement with anti-squat rear geometry for awesome articulation and climbing ability. This system features true Racing Coil Overs or Air Shocks at all four corners. No other system even comes close for Wrangler YJ's!

Standard Shocks
sold separately

Picture shown with coil over assemblies.

SYSTEM BENEFITS:

  • Excellent Highway Ride and Handling
  • Stretches the Wheel Base to 103-104 by pushing the rear axle back
  • Allows for massive 12" Coil Over Racing Shocks or Air Shocks up front!
  • Allows for 10" Coil Over Racing Shocks or Air Shocks in the rear!
  • Skid Plate Mount Design that Adds Structure to the Frame, Provides a 1" Gain in Ground Clearance, Has a Smooth Bottom and is Made from 1/4" Thick Steel!
  • Massive 2" Solid Control Arms!
  • Allows for 37"/40" Tires!
  • Limited Lifetime Warranty!
  • System Picture Shown with Sway Away Coil Over Assemblies.
  • Coil Over Assemblies and Air Shocks Sold Seperately. See below for pricing.
# RKYJXFPRO8S....................................

SYSTEM INCLUDES :
(Standard Shocks sold separately, available at check out)
Front upper and lower coil over shock mounts made from 1/4" thick laser cut steel, rear upper and lower coil over shock mounts made from 1/4" thick laser cut steel, front and rear axle mounts made from 1/4" thick laser cut steel, 4 high misalignment/double-adjustable lower long arms made from 2.00" solid stock, skid plate and skid plate mounting brackets made from 1/4 thick laser cut steel, 1 torque arm made from solid stock, high misalignment/adjustable front track bar made from solid stock, track bar relocation bracket made from 1/4" thick laser cut steel, front track bar relocation bracket made from 1/4" thick/laser cut steel, rear upper triangulated 4 link arms made from solid stock, rear triangulated 4 link mounting cradle/axle truss made from 1/4" thick laser cut steel, extended stainless steel brake lines, front adjustable sway bar disconnects, extended rear sway bar links, hardware and detailed instructions.

NOTES:
  1. Available for any axle combination.
  2. With the long rear uppers, a custom cat back exhaust is required.
  3. Requires full S.Y.E and C.V driveshaft.
  4. Requires removal of the OEM leaf spring mounts and many OEM axle mounts.
  5. Welding is required, but every part either fixtures in place or has an alignment point.
  6. It is highly recommended to have a high pinion rear axle.
RECOMMENDED ACCESSORIES :
These optional upgrades are available to select when you check out.
  • Heavy Duty Cross Over Steering Upgrade