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 Seat

GENERAL SPECIFICATIONS
Valve Seats
Width - Intake and Exhaust 1.5-2.0 mm (0.06-0.08 inches)
Angle 45 degrees
Runout (T.I.R.) 0.076 mm (0.003 inches)
Bore Diameter (Insert Counterbore Diameter)
Intake 47.097 mm (1.8542 inches) Max., 47.072 mm (1.8532 inches) Min.
Exhaust 39.730 mm (1.5645 inches) Max.