Valve, Intake/Exhaust

GENERAL:
Face Angle 44-1/2° - 45°
Valve Stem Tip Height 49.02 mm (1.929 inch)
Stem Diameter 7.90 - 7.92 mm (0.311 - 0.312 inch)

HEAD DIAMETER:
Intake 48.64 - 48.90 mm (1.915 - 1.925 inch)
Exhaust 40.01 - 40.26 mm (1.575 - 1.585 inch)

LENGTH (OVERALL):
Intake 145.11 - 145.75 mm (5.713 - 5.738 inch)
Exhaust 146.23 - 146.86 mm (5.757 - 5.782 inch)

VALVE MARGIN:
Intake 1.30 mm (0.0541 inch)
Exhaust 2.03 mm (0.080 inch)

LIFT (ZERO LASH):
Intake 13.74 mm (0.541 inch)
Exhaust 13.74 mm (0.541 inch)



STEM-TO-GUIDE CLEARANCE:
Standard 0.025 - 0.076 mm (0.001 - 0.003 inch)
Max. Allowable Intake (Rocking Method) 0.50 mm (0.020 inch)
Max. Allowable Exhaust (Rocking Method) 0.70 mm (0.027 inch)