To my knowledge, there isn't a bolt on chrome lever for a 65 GTO for your transmission. There are several aftermarket levers available but the only one that would be close to the one you might want would be this one on ebay. It is for 69 Firebird/Camaro and is a little shorter than an original 65, but I think it's as close as you'll find IMO.
https://www.ebay.com/itm/304993826405