Valve, Intake/Exhaust

Valve Stem to Guide Clearance [1]
Intake 0.0010 - 0.0027 inch
Exhaust 0.0015 - 0.0032 inch
Valve Head Diameter
Intake 1.770 - 1.794 inch
Exhaust 1.453 - 1.468 inch
Valve Face Runout Maximum 0.002 inch
Valve Face Angle 44°
Valve Stem Diameter (Standard)
Intake 0.3416 - 0.3423 inch
Exhaust 0.3411 - 0.3418 inch
Valve Stem Diameter 0.015 Oversize
Intake 0.3566 - 0.3573 inch
Exhaust 0.3561 - 0.3568 inch
Valve Stem Diameter 0.030 Oversize
Intake 0.3716 - 0.3723 inch
Exhaust 0.3711 - 0.3718 inch


[1] 0.0055 inch allowable