Valve Seat

Cylinder Head Warpage Limit 0.004
Cylinder Head Overall Thickness [02] 4.639-4.646
Valve Guides:
Standard Inside Diameter .2165-.2171
Stem to Guide Clearance:
Intake .0008-.0021
Exhaust .0016-.0028

Valve Seats:
Seat Width:
Intake .042-.053
Exhaust .042-.066

[02] -- Minimum thickness is overall thickness, less warpage limit, combined with amount of grinding of cylinder block gasket surface.