Valve, Intake/Exhaust

Valve head diameter-intake 37 mm (1.46 inch)
Valve head diameter-exhaust 30 mm (1.18 inch)
Valve head diameter-gauge diameters 35.0 and 28.0 mm (1.378-1.102 inch)
Valve face runout 0.05 mm (0.002 inch)
Valve face angle 45.5 degrees