The Gatorbacks have a lifetime warranty on the rubber, for things like tear offs. Razorbacks are 1 inch shorter and the plate is 1 inch smaller than the Gatorbacks as well.
I would recommend these flaps and brackets
Flap set: https://www.sharptruck.com/truck-hardware-rb1222cutssrb1222ss
Rear bracket: https://www.sharptruck.com/truck-hardware-gb758053