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

Valve, Intake/Exhaust

Valve head diameter Intake 1.38 inch
Exhaust 1.18 inch
Gauge diameter 1.22 @ 0.96 inch
Valve face runout limit 0.001 inch
Valve face angle 45.5°
Valve stem diameter (STD) Intake 0.2350-0.2358 inch
Exhaust 0.2343-0.2350 inch