Those are YZ front and rear flares, an IMSA style 3 piece spoiler and a Xenon front airdam. John Washington offers headlight buckets grafted into the YZ fenders. Info is on this page of his website, item 3.
http://www.reactionresearch.com/280yzgallery.html
http://www.reactionresearch.com/280yz/stockheadlights.jpg