Denny - you are correct that spinning a brass stop on the lathe is fairly simple. The cheap, generic kits do come with the "T" stop, but the better kits do come with the brass stop.

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop