Valve, Intake/Exhaust
DIMENSIONSValve Stem Diameter Standard
Intake 0.3415-0.3423 inch
Exhaust 0.3410-0.3418 inch
Valve Stem Diameter 0.015 Oversize
Intake 0.3565-0.3573 inch
Exhaust 0.3561-0.3568 inch
Valve Stem Diameter 0.030 Oversize
Intake 0.3715-0.3723 inch
Exhaust 0.3711-0.3718 inch
Valve Stem to Guide Clearance
Intake 0.026-0.069 mm (0.0010-0.0027 intake)
Exhaust 0.038-0.081 mm (0.0015-0.0032 intake)
Service Limit 0.14 mm (0.0055 intake)
Head Diameter
Intake 46.66-46.913 mm (1.837-1.847 inch)
Exhaust 39.014-39.268 mm (1.536-1.546 inch)
Valve Face Angle Degrees 44°
Valve Face Runout Limit 0.0510 mm (0.002 inch)