In your sig, the pic to the left of the close up of the front looks like it has a chrome lip above the fangs....
Anyways, the link to the rim:
http://www.jegs.com/i/American-Racin...oductId=837889

Im not sure about the center bore, I figure it should be the same as yours being the same rim, same bolt pattern just diff. size ( cant be 100% sure of course ).