Cylinder Head, Valve Guides & Valve Seats

Cylinder Head Warpage Limit, inch 0.008
Cylinder Head Overall Thickness, inch [05] 5.193-5.201
Valve Stem To Guide Clearance, inch:
Intake 0.0008-0.0020
Exhaust 0.0020-0.0035

Valve Seats:
Seat Angle (deg.) 43.5-44.0
Seat Width, inch:
Intake 0.035-0.051
Exhaust 0.035-0.051

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