Valve, Intake/Exhaust

Valve Face Angle 44.5° - 45°
Valve Head Diameter:
Intake 34.67 - 34.93 mm (1.364 - 1.375 inch)
Exhaust 30.97 - 30.63 mm (1.195 - 1.205 inch)
Valve Margin:
Intake 1.285 - 1.615 mm (0.050 - 0.063 inch)
Exhaust 0.985 - 1.315 mm (0.038 - 0.051 inch)
Valve Length (Overall):
Intake 111.49 - 111.99 (4.389 - 4.409 inch)
Exhaust 109.59 - 110.09 mm (4.314 - 4.334 inch)
Valve Stem Tip Height:
Intake 48.04 mm (1.891 inch)
Exhaust 47.99 (1.889 inch)
Valve Stem Diameter:
Intake 5.934 - 5.952 mm (0.233 - 0.234 inch)
Exhaust 5.906 - 5.924 mm (0.233 - 0.233 inch)
Valve Stem To Guide Clearance:
Intake:
Standard Value 0.023 - 0.066 mm (0.0009 - 0.0025 inch)
Limit 0.25 mm (0.010 inch)
Exhaust:
Standard Value 0.051 - 0.094 mm (0.0020 - 0.0037 inch)
Limit 0.25 mm (0.010 inch)