I saw a gear shift somewhere and I can't find who made the project kit. Can someone steer me in the right direction.?

There is no need for a kit.
Find the thread size of the knob or shifter you want to use, get a threaded insert or piece of threaded rod which ever is appropriate.
Threaded inserts can be found just about anywhere with a range of sizes, quality and materials. Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or
If it's actually going to be used in a vehicle, I would go with Stainless steel or at least plated, brass may be too soft.