JK/ JKU TeraFlex High Steer Knuckle Kit (Knuckles Only)
MPN
4390870
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In Stock
Upgrade Your JK/ JKU Factory Knuckles
- High Steer Knuckle Kit
- Increases Tie Rod Clearance
- Reinforces Key Section Areas
- For Lifts 4-6"
- Powder Coated Black
Fits 2007-2018 JK & JK Unlimited
The TeraFlex JK/JKU High Steer Knuckle Kit addresses several weaknesses prone spots in the stock axle steering configurations on JK Wrangler and JKU Wrangler Unlimited models with 4-6” lift kits. This kit is compatible with all factory OEM and aftermarket axle shafts, ball joints, wheel hubs, and tie rods and does not affect the operation of factory stability and traction control systems including ESP and ABS
Fits:
- JK Wrangler (2-door)
- JKU Wrangler Unlimited (4-door)
Specs:
- Lift Height 4-6"
Includes:
- Driver side high steer knuckle
- Passenger side high steer knuckle
Features & Benefits:
- HIGH STEER KNUCKLES KIT (# 4390870)
- Cast from HD ductile iron
- Reinforces key section areas prone to stress & deflection
- Maintains correct steering geometry angles for superior highway drivability
- Provides HD solution for several weak vulnerabilities found in stock JK/JKU axle steering configuration
- Increases tie rod ground clearance by more than 1-1/8” to reduce tie rod damage & bending
Notes:
- Welding is required
- Requires aftermarket wheels w/ 4.5” backspacing or less
- This kit must be used w/ a Complete HD Flipped Drag Link (# 1853930) or Flipped Drag Link (# 1600448) & may require additional modifications to improve handling & maintain correct steering geometry