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

Length (Tip-To-Gauge Dimension Line) Intake 4.822 to 4.837 Inch (in)
Length (Tip-To-Gauge Dimension Line) Exhaust 4.837 to 4.852 Inch (in)
Valve Stem Diameter 0.311 to 0.312 Inch (in)
Stem-To-Guide Clearance 0.001 to 0.003 Inch (in)
Valve Head Diameter-Intake 1.905 to 1.915 Inch (in)
Valve Head Diameter-Exhaust 1.495 to 1.505 Inch (in)
Valve Face Angle-Intake 45 Degrees (deg)
Valve Face Angle-Exhaust 45 Degrees (deg)
Tip Refinishing (Max. Allowable) 0.010 Inch (in)