Valve Guide

Cylinder Head Warpage Limit 0.004
Cylinder Head Overall Thickness [02] 4.972-4.980
Valve Guides:
Standard Inside Diameter .2362-.2369
Stem to Guide Clearance:
Intake .0008-.0029
Exhaust .0016-.0029

Valve Seats:
Seat Width:
Intake .043-.052
Exhaust .051-.060

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