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SKU: JK4405

Inner C Gussets for Jeep Wrangler JK 2007-2018

$102.29


The Artec JK Inner C Gussets reinforce the hardest-worked joint on a lifted JK's front axle — the inner C, where steering and ball-joint loads feed into the axle tube. On 2007-2018 Jeep Wrangler JK and JKU front Dana 30 and Dana 44 axles, big tires and high-traction wheeling flex this junction until it cracks. These 1/4" steel gussets wrap the factory casting and tie it into the tube, stiffening the knuckle area dramatically for a modest price. They are a smart add for any JK running 35s or larger, and a near-mandatory one for lockers and heavy bumpers.

Features

  • 1/4" steel, CNC laser cut and formed to hug the factory inner C
  • Contoured wrap maximizes weld contact between the C and the axle tube
  • Fits both Dana 30 and Dana 44 front axles under the JK and JKU
  • Set includes universal upper gussets plus dedicated driver- and passenger-side lower pieces
  • Fights the flex and cracking that ball joints and knuckles transmit into the housing
  • Made in the USA

These fit factory JK Dana 30 and 44 housings; aftermarket housings such as the Ultimate Dana 44 need modification, so check yours first. This is a weld-on job — Artec recommends heating the cast Cs to roughly 300-400 degrees before welding, and the work is easiest with the axle stripped. Pair them with the JK Front Axle Truss for a housing braced from the top as well, browse the rest of our axle reinforcements, or see everything for your Jeep Wrangler.

Inner C Gussets for Jeep Wrangler JK 2007-2018 FAQs

Will these fit my JK's front axle?

They fit the factory front Dana 30 and Dana 44 axles under every 2007-2018 Jeep Wrangler JK and JKU. Aftermarket housings such as the Ultimate Dana 44 are shaped differently and need modification, so confirm you have a factory housing before ordering.

How hard is the install?

This is a weld-on job for a competent MIG or TIG welder, not a bolt-on afternoon project. The gussets weld to both the cast inner C and the axle tube, and Artec recommends preheating the castings to roughly 300-400 degrees before welding. Most builders do the work with the axle stripped or out of the Jeep, then paint the bare steel afterward.

Do I need these if I'm already adding a truss?

They solve different problems, so the two work best together. A truss braces the tubes and center section from above, while these gussets reinforce the inner C where steering and ball-joint loads concentrate. On a big-tire JK the C can flex and crack even with a trussed housing — gusseting it closes that gap.

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