Upper Steering Knuckle Gusset Wrangler JK JKS ManufacturingReinforce the axle to inner steering knuckle position on Jeep JK DANA 44 and DANA 30 axles with this JKS heavy duty steel Upper Knuckle Gusset Kit. If you have ever experienced a crack or failure at the inner steering knuckle of your Dana 44 or 30 front axle, you will appreciate this weld on steel gusset kit. The gussets attach to the upper inch cornersinch where the inner knuckle meets the axle. Mild steel 5 8 inch thick; Bare metal; Weld on; Sold in