First off, welcome to Hotrodders.
The 465 is more commonly known as the SM-465, I deleted your other thread in this forum that asked the very same question you ask here word for word.
You would be pretty well off looking around for the NVG-3500 5 speed, but you would end up having to convert to hydraulic clutch to run it. Other than that the only other decent option would be to look for an 833 4 speed, it has nearly identical gearing to the TH-700R4 automatic.
The 465 is more commonly known as the SM-465, I deleted your other thread in this forum that asked the very same question you ask here word for word.
You would be pretty well off looking around for the NVG-3500 5 speed, but you would end up having to convert to hydraulic clutch to run it. Other than that the only other decent option would be to look for an 833 4 speed, it has nearly identical gearing to the TH-700R4 automatic.