Backup LEDs for 2015-2021 GMC Sierra 3500 (pair), XPR (720 lumens) GMC you'll literally see what you've

you'll literally see what you've been missing all along

meeting FMVSS108 regulations when properly aimed

but all Prism LED setups are 100% Plug n Play

and out-perform the alternatives

On top of that

Backup LEDs for 2015-2021 GMC Sierra 3500 (pair), XPR (720 lumens) GMC you'll literally see what you'veUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.