Valves

Stem Diameter
Intake 0.2336-0.2343
Exhaust 0.2325-0.2332
Stem Tip Height
Intake 1.891
Exhaust 1.889
Face Angle 45.0-45.5°
Margin (Minimum)
Intake 0.041
Exhaust 0.037

All measurements given in inches, unless otherwise specified.