Valve Seat

Cylinder Head Warpage Limit 0.002 inches
Cylinder Head Minimum Thickness 3.738 inches
Valve Guides:
Standard Inside Diameter 0.217-0.218 inches
Stem To Guide Clearance:
Intake 0.001-0.002 inches
Exhaust 0.002-0.003 inches

Valve Seats:
Seat Angle, Degrees 45
Seat Width:
Intake 0.033-0.045
Exhaust 0.049-0.061 inches