RockIt Offroad

Jeep JK/JKU Front Axle Sleeve and Front Upper Inner Knuckle Gusset Kit 07-18 Wrangler JK/JKU TeraFlex

  • Sale
  • Regular price $140.99

The TeraFlex JK/JKU Axle Sleeve and Front Upper Knuckle Gusset Kit is designed to reinforce the weak axle tubing and knuckles on JK/JKU Dana 30 or 44 factory axles. This prevents unwanted bending or breaking under extreme conditions.

  • SKU: 4990900
  • Reinforces weak axle tubing and knuckles
  • For JK/JKU Dana 30 or Dana 44 factory axles
  • Made from machined steel and steel tubing
  • Sold As A Kit


  • JK Wrangler (2-door)
  • JKU Wrangler Unlimited (4-door)


  • Short side inner axle sleeve and Long side inner axle sleeve (P/N 4990700)
  • Front upper inner knuckle gussets pair (P/N 4990800)


  • Does not fit Rubicon Recon w/ Dana 44 front axle w/ 3/8 inch wall

Install Time:

  • 5 Hours (Complete kit)