Tahoe A-Pillar vs. 2500/3500 HD Silvy A-Pillar?

[ChrisAU]

Are they by chance the same? I.E., would this work?:

http://cgi.ebay.com/ebaymotors/Edge-Attitude-A-Pillar-Pod-Mount-07-10-GM-Truck-28403-/330515100971?pt=Motors_Car_Truck_Parts_Accessories&hash=item4cf43c352b