GM Service Manual Online
For 1990-2009 cars only

Mark

Thickness (mm)

Thickness (in)

A

2.80-2.85

0.1102-0.1122

B

2.85-2.90

0.1122-0.1142

C

2.90-2.95

0.1142-0.1161

D

2.95-3.00

0.1161-0.1181

E

3.00-3.05

0.1181-0.1201

F

3.05-3.10

0.1201-0.1220

G

3.10-3.15

0.1220-0.1240