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 Seat

Angle	44.5 - 45 degrees F
Seat Diameter-Intake	1.353 - 1.363 inch
Seat Diameter-Exhaust	1.065 - 1.075 inch
Runout (Maximum)	0.002 inch
Valve Seat Width-Intake and Exhaust	0.035 - 0.051 inch
Service Limit-Intake	0.079 inch
Service Limit-Exhaust	0.098 inch