This is a very high quality wheel flap correct for use on the Willys MB and Ford GPW assuming you are using the original style two piece 16 inch combat wheel. This flap is necessary to protect the inner tube from damage and pinching caused by the two piece combat wheel.
This flap has the stem hole located in the correct position with the correct offset.
Tip: Depending upon the way your tube is made and the way the stem is attached, it may be necessary to “shave” down the thickness of this flap around the step hole to allow the stem to poke through correctly. I’ve done this by using a wire wheel on my rotary air tool or drill. This flap is thick which prevents the problem of the stem sticking through too far.