Which car and store carries the aluminum brake booster?

[GNVYUS 1]

Anyone know the part #/car/store that they got the aluminum vacuum booster from?

None of the stores know and I do not want the cast piece.
I did a search for aluminum brake booster but nothing came up.

Thanks

 

[Scott Atk]

You sure you're not thinking of an aluminum master cylinder, never heard of an aluminum booster. If master cylinder then its hit and miss. I made the guy take all of them out of the box until he found one. Most were cast iron at Checkers.