Model Year Engine Size Standard Disc Front Standard Disc Rear Turbo Groove Disc Front Turbo Groove Disc Rear Utimax Disc Front Utimax Disc Rear Bolt Holes Diameter
Firebird 69 D7064 GD7064 5 279
Firebird 70-78 D7065 GD7065 5 280
Firebird 79-81 D7066 GD7066 5 280
Firebird 82-88 D7000 GD7000 5 267
Firebird 82-88 D7246 GD7246 5 267
Firebird 89-92 (ILE) D7001 GD7001 5 301
Firebird 89-92 (ILE) D7002 GD7002 5 296
Firebird 89-92 (J65) D7000 GD7000 5 267
Firebird 89-92 (J65) D7002 GD7002 5 296
Firebird 93-97 D7003 GD7003 5 278
Firebird 93-97 D7004 GD7004 5 293
Firebird 98-20 D7005 GD7005 5 303
Firebird 98-20 D7006 GD7006 5 305
Grand Prix 97-20 GD7090 5 278
Grand Prix 97-20 GD7091 5 278