Looks either like the Blitz or Invader front end. It could also be a very early version of the Veilside front end, though it's hard to tell, I don't see Veilsides without the full kit... ever. The Mazdaspeed is much much more beautiful.
![](http://66.69.208.196/~davidwms/files/cars/rx7/15thwing.jpg)
That sir is the Mazdaspeed kit.