just ordered a torsion key and leveling kit for my 06 chevy duramax 2500hd. i realized it was for gmc, will this work with my truck? i believe the frames and suspension are the same as longs its a 2500hd... below is the kit i purchased

Lift Kit 1-3" Fr + 1" Rr Sierra 2500 HD 00+ 4WD 8-Lug | eBay

 

yes it should be fine, same truck just different name and sheetmetal