Poverty cap?

[sabre67]

Would any one know if this cap is made of aluminum or stainless steel? Thanks (I believe its off a Dart not sure) I dont have it in front of me to examine

 

[Spare Parts]

Stainless

 

[mrhemi]

That one appears to be SS. However, there was an aluminum version of the same cap available. At one time, the aluminum version superseded the SS version if you ordered them from Chrysler. I have a complete NOS set that were supplied in aluminum, even though I ordered SS.