GM Service Manual Online
For 1990-2009 cars only

Measured Dimension

Selective Plate

Identification

Thickness

28.065-27.545 mm (1.105-1.084 in)

None

1.684-1.829 mm (0.066-0.072 in)

28.586-28.066 mm (1.125-1.105 in)

0

1.314-1.168 mm (0.052-0.046 in)

27.544-27.026 mm (1.084-1.064 in)

1

2.198-2.344 mm (0.087-0.092 in)