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

Valves Length (Tip-to-Gauge Dimension Line) Intake 4.822 to 4.8377 Inch (in)
Exhaust 4.837 to 4.852 Inch (in)
Stem Diameter 0.311 to 0.312 Inch (in)
Stem-to-Guide Clearance 0.001 to 0.003 Inch (in)
Head Diameter Intake 1.905 to 1.915 Inch (in)
Exhaust 1.495 to 1.505 Inch (in)
Face Angle Intake 45 Degrees (deg)
Exhaust 45 Degrees (deg)
Tip Refinishing (Max. Allowable) 0.010 Inch (in)