A reproduction of the "biggest" OE cam. Basically the same lift as the regular 4bbl cam, with 16º more advertised duration. Was only offered in manual transmission Firebirds.
https://www.ebay.com/itm/Pontiac-OHC-6-4...aoAAOSwwbdWJtpw Regular 4bbl cam. If you're going for a re-grind, might as well start with a cheaper core.
https://www.ebay.com/itm/Pontiac-OHC-6-4...aoAAOSwwbdWJtpw (Scott, if this is near you, maybe low ball him $100-$200?
https://www.ebay.com/itm/Pontiac-OHC-6-c...nIAAOSwJ-xcuIU8 )