this will work on a silverado or sierra as long as it has the 5'8" bed.it was on a gmc sierra denali 2010.this cover is what the gm dealers carry,its not the cheap tonneau cover.it rolls up and clips in place.i have the rails and all hardware.i also have a trifold tonneau cover for sale for the same price.NO SHIPPING!!!unless you send me a box and pay actual shipping price