Cylinder Head, Valve Guides and Valve Seats

Cylinder Head Warpage Limit 0.008
Cylinder Head Overall Thickness [01] 4.209-4.217
Valve Guides (Standard)
Stem-to-Guide Clearance
Intake 0.0018-0.0025
Exhaust 0.0020-0.0035
Valve Seats
Angle 44.00°
Width 0.035-0.051



All measurements given in inches, unless otherwise specified.

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