You want the high ones. The Standard Motor Products numbers for each of the items you mention above are listed in the rebuild article. From there, any Auto Parts can cross reference.

http://devestechnet.com/Home/Project1959235


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet