Speedometer Cable

So a little bit frustrated cause I got the lower cable from Napa auto (Part #: BK 6151604). The connection at the trans is fine but... the end for the new cable that connects to I guess is something like cruise control is female nut and has the cable ending in a male end too.
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1) is the middle module a cruise control? It has a wire coming from it
2) what are my options? Go to a full 80” cable? Speedometer solutions?
3) trust classic industries and get #3593360?

I have a big block with 727 trans