This single wheel longbed has been specifically designed to replace the stock dually CEN F450 bed.

It features:
Six opening doors on the body
Standalone toolbox with opening lid
Opening tailgate
Spots for 3mm led reverse, rear work, tail, and marker lights
6mm bumper hitch receiver

This bed can support a gooseneck hitch, however one is not included.

Also included in the files, the option to use a factory style tail light setup instead.

Additional parts Required:
28X 3/4" (19mm) #4 screws
4X 1/2" (12mm) #4 screws
CEN F450 Bumper set (for extended frame rails) Amain part number CEGCD0450
CA glue (super glue)
4X 10x3mm screw through magnets (for cab mounting)
24X 3x2mm magnets (for doors)
24" .8mm steel rod (for hinges)

Optional parts:
4X white 3mm leds
11X red 3mm leds
Paint