It's double sided tape all around and we put two screws under the tailgate to hold it on. I'm going to make two brackets to support the bottom like I did on my other truck. The spare tire will fit with trimming, the bumper comes marked where to cut, But I opted to just throw the spare in the bed.
I forgot to grab my plate lights before I left for work, So I drove home with one of the originals hanging out of the tire hoist hole. LOL I'm using the plate bolts that have built in LEDs. I'll wire them up this weekend.
I wasn't planning on installing this yet but my buddy in the body shop hit a deer with his '18 LS last week, so I gave him my rear bumper, old grill, and headlight covers, and he already had a front bumper so he can color match everything on his truck. He's also going to to do some fiberglass work on under side of my Corvette from where my rear axle busted through at the track, So It was a good trade for me.