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

Face Angle 45 - 45.5 Degrees (deg)
Head Diameter Intake 1.9103 - 1.9205 Inch (in)
Exhaust 1.4516 - 1.4618 Inch (in)
Length (Overall) Intake 4.4666 - 4.4965 Inch (in)
Exhaust 4.5244 - 4.5543 Inch (in)
Stem Diameter Intake 0.2729 - 0.2739 Inch (in)
Exhaust 0.2717 - 0.2728 Inch (in)
Stem - to - Guide Clearance Intake 0.0008 - 0.0028 Inch (in)
Exhaust 0.0019 - 0.0039 Inch (in)
Max. Allowable Stem -to -Guide Clearance (Rocking Method) Intake 0.0028 Inch (in)
Exhaust 0.0039 Inch (in)