2011-2022 Chevrolet/GMC 2500/3500HD RWD, 4WD 2'' Rear Block Kit for use with Factory Top Overloads Injectors 2010-2012 Cummins 6.7L Lift height will vary depending

Lift height will vary depending on what factory block your truck has

With this kit installed

5-2017 475-650HP/1200TQ

Shoulder grooves are arranged in alternating widths and lengths to clear mud and maintain traction

The active fill bucket eliminates the need for tank sumps

2011-2022 Chevrolet/GMC 2500/3500HD RWD, 4WD 2'' Rear Block Kit for use with Factory Top Overloads Injectors 2010-2012 Cummins 6.7L Lift height will vary depending2 inch rear lift 2 & 4WD 2500HD single rear wheel with factory trailer package springs 3500HD dually OEM style cast iron construction Kit includes: pair of rear lift blocks Extended U bolts and hardware