Help!! with unknown parts

[turboxan]

If someone can enlighten me as to what year Buick this stuff is for, as I would like to sell them.
BView attachment 184851

View attachment 184851 not sure of there origin.

 

[Turbotre]

Looks like a 1980 turbo Riviera manifold.

 

[earlbrown]

Before my time but here's a hint. This guy doesn't know what it is either....

http://www.ebay.com/itm/PONTIAC-BUI...D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557

 

[turboxan]

Thank you