Dan
I have been doing some digging around and the one you posted looks an after market piece.
LQQKY here
http://cgi.ebay.com/ebaymotors/_W0QQcmdZ...RKQ3aMEWAXQ3aIT
This one replaces GM 1993396 listed in the 1969 Camaro A.I.M.
So I am still curious if a assembly line one is brass ? Someone must have an OE one ?
Thanks