T Doug... The clutch kit I installed in my 54 3100 is a Zoom MU 5469 1A. $145.00 from Summit. Perfect match to the one I took out and perfect match for the one I took out 30 years ago. My guess it is a perfect match for your old set-up.
~~ Jethro 1954 3100 Back to Life In the Dity Gallery 1951 3100 (gone) / 1956 4400 (still in the neighborhood) / 1957 6400 with dump body (retired) / 1959 3100 panel (in the woods junked) / 1978 Custom Deluxe K10 / 1993 S-10 4.3 / 2004 Chevy Crew Cab / 1945 John Deere H / 1952 John Deere B / 1966 John Deere 2510 / 1967 John Deere 1020