GM Service Manual Online
For 1990-2009 cars only

Mark

Thickness (mm)

Thickness (in)

C

2.75-2.80

0.1083-0.1102

D

2.80-2.85

0.1102-0.1122

E

2.85-2.90

0.1122-0.1142

F

2.90-2.95

0.1142-0.1161

G

2.95-3.00

0.1161-0.1181

H

3.00-3.05

0.1181-0.1201

J

3.05-3.10

0.1201-0.1220

K

3.10-3.15

0.1220-0.1240

L

3.15-3.20

0.1240-0.1260

M

3.20-3.25

0.1260-0.1280

N

3.25-3.30

0.1280-0.1299

P

3.30-3.35

0.1299-0.1319