GM Service Manual Online
For 1990-2009 cars only

Replacement Shims Dayton Walther

Gap Measurement

Shim Thickness

0.91-1.39 mm (0.036-0.055 in)

0.50 mm (0.020 in)

1.41-1.90 mm (0.056-0.075 in)

1.06 mm (0.042 in)

1.91-2.41 mm (0.076-0.095 in)

1.47 mm (0.058 in)

2.42-2.92 mm (0.096-0.115 in)

1.82 mm (0.072 in)