Reinforce 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 "corners" where the inner knuckle meets the axle. Mild steel 5/8" thick; Bare metal; Weld-on; Sold in pairs. Can use in conjunction with JKSOGS941 lower Gusset Kit.