Valve Seat

Maximum Runout 0.760 mm (0.003 inch)
Intake:
Seat Angle 45 - 45 1/2°
Seat Width 1.75 - 2.25 mm (0.069 - 0.088 inch)
Exhaust:
Seat Angle 45 - 45 1/2°
Seat Width 1.50 - 2.00 mm (0.057 - 0.078 inch)