JK Front Lower Inner Knuckle Gusset Kit (4990910) | TeraFlex
The TeraFlex JK front lower inner knuckle gusset kit is designed to reinforce the weak factory knuckles on JK Dana 30 or 44 factory axles. This prevents unwanted bending or breaking under extreme conditions. Includes two lower inner knuckle gussets. Fits all JK Wrangler models including Rubicon and Unlimited.