1.5 Inch Block & U-Bolt Kit Chevy Silverado 2500 HD 2WD/4WD (2001-2010) Rough Country Engine and Components - Gauges & Sensors - Engine Shutdown Switch They are a direct fit

They are a direct fit replacement finished and come finished in a durable 2-stage e-coat plus powdercoat process for superior durability and corrosion resistance

Direct fitment for 70-79 Dodge Truck/Van

and while at the bottom

Gold Zinc Plated

which can significantly boost horsepower

1.5 Inch Block & U-Bolt Kit Chevy Silverado 2500 HD 2WD/4WD (2001-2010) Rough Country Engine and Components - Gauges & Sensors - Engine Shutdown Switch They are a direct fitHas the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough Country. Upgrade your rear suspension with Rough Country's vehicle specific block and u bolt kit! Rough Country's rear block and u bolt kits provide a simple remedy to an age old problem that simply happens over the span of your vehicle lift. Each kit offers two blocks that are tapered to reduce driveline