Head Bolt Re-Usability

INSPECT CYLINDER HEAD SET BOLT
a. Using a vernier caliper, measure the thread outside diameter of the bolt.
Standard outside diameter: 9.770 to 9.960 mm (0.3846 to 0.3921 inch)
Minimum outside diameter: 9.70 mm (0.3819 inch)
If the diameter is less than the minimum, replace the bolt.