Quote:
Originally Posted by juanwan669
12" rotors ?
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11 in rotors.
according to my pontiac 73 service manual page 5B-13, figure 5B-17 states they are steering Knuckle Hub and Disc Assembly(s) B and F series
those pontiac's should include F-series Firebird, Esprit, Formula, Trans-Am
B-series Catalina, Bonneville, Grand Ville