Valve Guide

Cylinder Head Warpage Limit 0.002 inches
Cylinder Head Minimum Thickness 3.935 inches
Valve Guides:
Standard Inside Diameter 0.2171-0.2171 inches
Stem To Guide Clearance:
Intake 0.002-0.004 inches
Exhaust 0.004-0.006 inches

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