1999-2006 GM 1500 Idler Arm Support Weld In Gusset (210-90221)Description Upgrade your GM 1500's steering with this heavy duty Idler Arm Support Gusset. The OEM idler pivot tends to bend the shaft as well as bend the tabs on the frame that locate the idler pivot, causing tie rod issues and poor handling. The solution features a hardened alloy steel shaft with tapered roller bearings, plus a frame strengthening weld in gusset. Stop dealing with premature wear, poor fuel economy, and that annoying lane wandering.