What are these?

[Auggie56]

The heater in a 67' Belvedere related.

 

[69Bee]

Heater core tube supports maybe

 

[w.Hudson]

Those look like the pieces that the front seat back hinge covers screw to.

 

[justjim]

Those look like the pieces that the front seat back hinge covers screw to.

those are for bench seat hinge covers.

 

[Auggie56]

Heater core tube supports maybe

I thought that they fit over the core tubes but no place to put a screw.

Thanks, everyone.