Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Head Bolt Reuse/Replace

CYLINDER HEAD SET BOLT

Measuring point:
For intake side bolt 94 mm (3.70 in.)
For exhaust side bolt 89 mm (3.50 in.)

Standard diameter 10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum diameter 10.6 mm (0.417 in.)