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

VALVE DIMENSIONS:

Valve Dimensions:




Valve Head Diameter (a):
Intake: 38.00 mm (1.496 in.)
Exhaust: 33.00 mm (1.299 in.)

Valve Stem Diameter (b):
Intake: 7.97 mm (0.3138 in.)
Exhaust: 7.95 mm (0.3130 in.)

Valve Length (c):
Intake: 91.00 mm (3.583 in.)
Exhaust: 90.80 mm (3.575 in.)

Valve Face Angle (d):
Intake: 45°
Exhaust: 45°