For GMC sierra PU Truck Pics here: http://www.chevyavalanchefanclub.com/cafcna/index.php/topic,119191.0.html
They are:
Here are the Specks of the flairs I have.
Bushwacker Cutout Front: #40051-02 Rear: #40052-02
http://www.bushwacker.com/fender.asp?dhtmlgoodies_TruckSUV=1&dhtmlgoodies_model=285&search=Search
Last ones on page (at the bottom)
On the front I have over 4.5" of coverage. Took a bit of fitting
3 major spots of trimming did all with DryWall knife and laminate File.