I have a set of AC brackets that I thought I had gotten from an early 70's GM 250, but I can't figure out how to mount them and am wondering if they are really for a 292. Does anyone have pics of the stock AC brackets they can share?

1968 Camaro - 250 (No, I'm not gonna drop a 350 in it!....Jeez!)
1968 C-10 with 2 extra cylinders