aluminum block slant six

[63dartman]

I just saw this on ebay and never heard of an aluminun block slant. Is this a stock option or some type of aftermarket transplant? It is very interesting though.

http://cgi.ebay.com/ebaymotors/1963...oryZ6201QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

 

[340mopar]

It was stock in the early 60's.

Chuck