I checked with Dad this weekend it's a 77 Diesel not a super, the original bore size was 3 5/16 the new sleeves are 3 5/8. 

The box for the new sleeves reads Advantage Engine Parts HE 220230.

The headgasket is FEL PRO 7411b. the combustion ring measures 3 3/4 

Hope that helps, Thanks, Roy