2001-2010 Chevy Silverado 1500HD Rear Suspension Lift Blocks & Extended U Bolts 2WD 4WD Non-Overload Year select:2011-2015 CNC machined from high-strength steel

CNC machined from high-strength steel and coated to prevent corrosion in the roughest conditions

It allows you to easily align the rear axle in minutes to get the correct length

Zinc phosphate coating is a multi-phase process commonly used in military applications for components in harsh environments and extreme weather conditions

over stock

2001-2010 Chevy Silverado 1500HD Rear Suspension Lift Blocks & Extended U Bolts 2WD 4WD Non-Overload Year select:2011-2015 CNC machined from high-strength steel2x Rear Billet Lift Blocks Anodized Black 4x Premium Electrostatic Powder Coated Installation Instructions IMPORTANT: Fits 8 Lug & Non Overload Models Only. Our Pro Billet Series rear lift kits are precision engineered to lift and level your truck. The rear lift blocks are machined from 6061 T6 aircraft aluminum, then an anodized coating is applied to protect from rusting. Unlike steel blocks that are cut out and welded together, our Pro Billet kits