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)

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Valve, Intake/Exhaust

Stem Diameter .3416-.3425 Inch (in)
Installed Height
Note: Measured between tip of valve stem & spring seat.
Intake 2.057 Inch (in)
Exhaust 1.73 Inch (in)
Valve Face Angle 45 Degrees (deg)
Valve Margin
Note: Minimum
0.0313 Inch (in)