It is a custom bumper built by Joe Darlington. It is the prototype for the VX so, for now it is one of a kind but he will build it for you.

Here it is before I cut the opening for the winch:





With winch installed:



Taking abuse:







And I have yet to make a mark on this bumper. During the race I got off course and drove over several trees 3 to 4 inches in diameter.