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Complete WJ Knuckle Swap Kit
SKU: J-XJ-WJKSK1
Save 10%

$1,599.95
$1,439.96

We drill and taper knuckles to run this kit as a ‘high steer’ setup

Suggested if running this kit over the knuckle or as a ‘high steer’ kit

With this option we do the trimming for you!
Select for new hubs, machined down ready for install!

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Core 4×4 Complete WJ Knuckle Swap Kit For Jeep Cherokee XJ 1986-2001 and Jeep Comanche MJ 1986-1992

Watch the Complete install video here

*Cutting and welding required*

This kit is an all inclusive kit to completely upgrade the steering, braking, and handling of your Jeep!

Major upgrades include:

  • HD 7075 Aluminum Steering Setup
  • Over the knuckle option for a high steer setup
  • Bigger rotor/caliper setup for increased stopping power (great for larger tire setups)

Kit Includes:

  • (1) Artec Raised Axle Side Track Bar Bracket
  • (1) Core 4×4 Double Sheer WJ Knuckle Swap Track bar
  • (1) Core 4×4 HD 7075 Aluminum WJ Knuckle Swap Tie Rod
  • (1) Core 4×4 HD 7075 Aluminum WJ Knuckle Swap Drag Link
  • (2) Steering Knuckle Flange Spacers
  • (1) Driver Side WJ Knuckle
  • (1) Passenger Side WJ Knuckle
  • (2) Explorer Sportrac Rotors
  • (2) WJ Brake Calipers
  • (2) Caliper Brackets
  • (4) Brake Pads
  • (2) New Upper Ball Joints
  • (2) New Lower Ball Joints

Optional Components

  • Over the knuckle (High Steer) Setup
    • When this is ordered we drill and weld in tapered sleeves to the WJ knuckles to run in the High Steer Position
  • Sway Bar Relocation Tabs
    • To run this as a High Steer kit you will need to remove your factory sway bar mounts, these will allow you to relocate your sway bar mounts.
  • New Hubs
    • When this is ordered we machine the new hubs to fit seamlessly into the new Sportrac Rotors.
    • *If you opt to reuse your factory hubs you will need to grind them down slightly to fit*
Series
Color OptionsCharcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White
Built With
Grease Fittings
Lift Range
Fixed End
Thread Size
Thread Length
Make Model Year
0

FAQs

Our product lines are designed to offer the absolute most value for your budget. Not every build is the same and we understand that. Our series differ mostly in the components used in the construction of the parts. Our Cruise and Town Series utilizes our high grade flex poly bushings at both ends of the arm, this has proven to be a smooth riding easy to maintain and replace bushing that we absolutely love. Our Camp and Trail Series utilizes 5/16″ wall DOM tubing and incorporates a flexible Johnny Joint at the adjusting end, this series has been our most popular series for all around use, great for daily drivers that want to tear up the trails as well. Our Crawl, Tow, and Track Series utilizes the same 5/16″ wall DOM tubing, but features Johnny Joints at both ends. This series gives you the absolute most out of your suspension. This is great for heavy towing/hauling and extreme off-roading. Also, if the component is straight in these series we will machine these left and right hand threaded for easy adjustment on the vehicle!

We are constantly expanding our product lines to include complete kits, if you don’t see something on the site for your vehicle, reach out to our sales team and we can put something together for you.

Our two main sizes of jam nuts require an1-1/2″ wrench or an 1-5/8″ wrench. Generally speaking the 1-5/8″ jam nuts are used on our lower control arms and the 1-1/2″ jam nuts on our upper control arms and track bars. There are some exceptions, but we do offer a crow’s foot that has both sizes.

Any non-synthetic moly based grease is safe on our products, avoid lithium greases and anything red as this can prematurely deteriorate the internal components of the Johnny Joints and bushings used on our parts.

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If you manage to break It,
we'll replace it.

As the founder of Core 4×4, I stand behind our unwavering commitment to delivering top-tier, American-made products that don’t break the bank. We take immense pride in our craftsmanship, sourcing materials domestically to ensure the highest quality possible. Our team goes the extra mile to rigorously test and refine every product, ensuring it not only meets but exceeds industry standards. When you choose us, you’re choosing durability, reliability, and affordability. That’s not just a business model— it’s a promise, from our family to yours.

Sincerely,
Spence Schramm
Founder, Core 4×4