Synergy Jeep TJ/LJ, XJ, ZJ, MJ Heavy Duty Steering Kit

Part #: 8121-00
Weight: 32 lbs
  • MSRP: $550.00
Purchase through our Dealer Network.
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  • Weight
    32 lbs
  • SKU
    8121-00

The Synergy MFG Heavy Duty Steering Kit for TJ/LJ, XJ, ZJ, and MJ models is a larger and stronger, bolt-on replacement for stock steering. No reaming or drilling of the steering knuckles is required. This is a direct bolt-on kit. We modeled the geometry of this steering after the stock Y-Style steering. We did this for a couple of reasons. Y-Style steering minimizes bump steer (compared to T-style), and by keeping the front wheels separated, helps prevent death wobble. There will be some toe change, but it will not adversely affect driving and there won't be any more toe change than there was with the stock steering. The complete kit includes a new Tie Rod, Drag Link, Steering Stabilizer Clamp, and all new HD Metal on Metal Tie Rod Ends. The Tie Rod is made from 1-3/8" 4130 Chromoly steel and is Heat Treated for maximum strength. The Drag Link is made from 1-3/8" 1018 Solid Bar to eliminate any deflection. Both parts are finished with an abrasion-resistant powder coat finish for maximum durability and corrosion resistance. The Drag Link features our Double Adjuster Assembly allowing for adjustment of the Drag Link length without removal from the vehicle and the Tie Rod features Left Hand and Right Hand opposing threads to allow for adjustment of the Tie Rod length without removal from the vehicle. Fits vehicles with 2-6" of lift and requires a minimum of 2" front bump stop spacers. A single plane tie rod end is now included at the knuckle end of the Drag Link to prevent unwanted misalignment (flop) of the steering system.

Fitment: 

  • 1997-2006 Jeep Wrangler (TJ)
  • 2004-2006 Jeep Wrangler (LJ)
  • 1987-2001 Jeep Cherokee (XJ)
  • 1993-1998 Jeep Grand Cherokee (ZJ)
  • 1987-1992 Jeep Comanche (MJ)

Drag Link

  • Drag Link is bent to clear factory axle brackets and is compatible from stock to 6" lifted vehicles. (Vehicles over 6" of lift will require a drop pitman arm for compatibility)
  • Synergy Double Adjuster Sleeve: allows adjustment of Drag Link length without removing it from the vehicle.
  • Suspension components feature an abrasive resistant powder coat finish for maximum durability and corrosion resistance.
  • 100% bolt on components assures an easy, trouble free installation with the use of basic hand tools.
  • Drag Link is made from 1-3/8" 1018 Solid Bar
  • Comes with Synergy HD metal on metal tie rod ends, 4135-L and 4137-L (single plane tre)
  • Features our Double Adjuster Sleeve Assembly allowing adjustment of Drag Link length without removal from vehicle
  • Abrasion-resistant powder coat finish for maximum durability and corrosion resistance
  • Strongest Drag Link on the market!

Tie Rod

  • Tie Rod is made from 1-3/8" 4130 Chromoly and Heat Treated for maximum strength
  • Comes with Synergy HD metal on metal tie rod ends, 4135-L and 4135-R
  • Features LH and RH opposing threads to allow adjustment of tie rod length without removal from vehicle
  • Abrasion-resistant powder coat finish for maximum durability and corrosion resistance

Steering Stabilizer Clamp

  • CNC extruded and machined from 6061-T6 aluminum alloy
  • Black anodized for maximum corrosion resistance
  • Designed to mount factory and aftermarket steering stabilizers using a 1/2" bolt to the Drag Link
  • We recommend the FOX-985-24-145 IFP Steering Stabilizer be used with this steering kit
  • The TJ stabilizer does not have the proper ends for mounting with our kit while the JK stabilizer does

Includes:

Requirements and Fitment:

  • Wheel back spacing requirements:
    - 15" wheel - max 3.75"
    - 16" wheel - max 4.00"
    - 17" wheel - max 4.50"
  • Minimum of 2" front bump stop spacers required
  • Fits vehicles with 2-6" of lift
    2-4" of lift, must use stock pitman arm
    4.5"-6" of lift, must use drop pitman arm

Min/Max Lengths:
Measured in a straight line from zerk fitting to zerk fitting

  • Tie Rod - Max extended length: 43.750"
  • Tie Rod - Min collapsed length: 41.500"
  • Drag Link - Max extended length: 39"
  • Drag Link - Min collapsed length: 36.875"

Note: Previously known as Part # 8109
Installation Instructions


WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle.
For more information go to www.P65Warnings.ca.gov

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