GMFR part ID

[everythingold]

Have no idea what this is. Came across a dozen or so.

 

[combo52]

Might be main bearings for the crankshaft of a Custom Imperial cars engine.

 

[swestoyz]

Or a Vega.

 

[everythingold]

Why is a car part under the Frigidaire name?

 

[lowefficiency]

Looks like it's not a car part, but a railway part!

http://www.erixrailcar.com/techpubs/Frigidaire_Railway_Air_Conditioning_Parts_1950.pdf