J2000/Sunbird V6-191 3.1L (1992)
Brake Drum: Specifications
Brake Drum
Inside Diameter ......................................................................................................................................................................................................... 7.879 in
Runout ...................................................................................................................................................................................................................... 0.006 in
Maximum Rebore Diameter ..................................................................................................................................................................................... 7.899 in
Discard Diameter ......................................................................................................................................................................................................... 7.929
Note: All brake drum and rotors have a discard dimension cast into them. This is a wear dimension and not a refinished dimension. Any drum or rotor
which does not meet the specifications should be replaced.
