The Draw-Tite Universal with the 7" Tall Brackets # 41990-07 or 16" Tall Brackets # 41990-16 are some of the better options for your 2014 Isuzu NPR. The height brackets you will need will depend on what kind of up-fit your vehicle had done to it. The brackets themselves can be either bolted or welded to the frame on your truck which allows you to position it where it will fit best and work with any lifts or bumpers you already have. view full answer...