HELP! 11.75" Disc Conversion - Bearings, Seals Etc

Hey peeps! So I just went into autozone and said I have a 77 Gran Fury with a 440 to get:
inner wheel bearings
outer wheel bearings
wheel seals
calipers

I'm doing the 11.75" upgrade on my duster....did I screw up by not telling them the right vehicle? I noticed 72blunblu posted a comprehensive vehicle list to use 11.75" parts from but my imaginary 77 gran fury isn't on it:(

CHRYSLER CORDOBA(1976 - 1979)
CHRYSLER NEW YORKER(1979 - 1981)
CHRYSLER NEWPORT(1979 - 1981)
DODGE CHARGER 1976
DODGE CHARGER SPECIAL EDITION(1976 - 1978 )
DODGE CHARGER SPORT1976DODGECORONET(1975 - 1976)
DODGE CORONET BROUGHAM(1975 - 1976)
DODGE CORONET CRESTWOOD(1975 - 1976)
DODGE CORONET CUSTOM 1975
DODGE MAGNUM XE 1979
DODGE MONACO(1977 - 1978 )
DODGE MONACO BROUGHAM(1977 - 1978 )
DODGE MONACO CRESTWOOD(1977 - 1978 )
DODGE ST. REGIS(1979 - 1981)
PLYMOUTH FURY(1976 - 1978 )
PLYMOUTH FURY SALON(1977 - 1978 )
PLYMOUTH FURY SPORT(1977 - 1978 )
PLYMOUTH FURY SPORT SUBURBAN(1977 - 1978 )
PLYMOUTH FURY SUBURBAN 1977
PLYMOUTH GRAN FURY(1980 - 1981)
PLYMOUTH GRAN FURY SALON