Pitman Idler Arm Support Kit for 1999-2006 Silverado/Sierra 1500 2WD/4WD Cognito The use of XD541 is

The use of XD541 is highly recommended during engine assembly

(8) Fuel Injector Hold Down Bolts

and O-rings

The front struct spacers and standard white body rear shocks offer an efficient and cost-effective way to lift your truck while maintaining factory ride quality

Pitman Idler Arm Support Kit for 1999-2006 Silverado/Sierra 1500 2WD/4WD Cognito The use of XD541 isPitman and Idler arms have been an inherent wear problem within the steering systems of Chevy and GMC trucks and SUVs for decades. The Cognito Pisk (Pitman and Idler Arm Support Kit) replaces the problem components that plague Oe and aftermarket steering systems on several models and years of GM trucks and SUVs. These improvements are accomplished through application of Cognito's innovative, patented design, by providing additional support to the