Cal Custom finned Aluminum 12 bolt rear cover
 

Looking for nice shape 12 bolt finned Aluminum rear housing cover like Cal Custom and Mr. Gasket sold for like the Motion cars and rat rods back in the 60s

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

have one, it has some modification i think for a fuel filter/bracket suspension mod of some type, but will sell cheap

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

Would rather have one that has not been modified

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

Still looking for one.

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

380875437538 eBay number
12 bolt finned covered on eBay

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

Here's a link I think
http://www.ebay.com/itm/CAMARO-CHEVE...e2&vxp=mtr

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

On the one on ebay why does it have alot of parts showing rust formation on it if it is Aluminum?

Re: Cal Custom finned Aluminum 12 bolt rear cover
 

That's not rust. It looks like the remnants of a mud wasp nest.