Valve Seat

Valve Seat Angle 46 degrees
Valve Seat Runout 0.05 mm (0.002 inch) Max
Valve Seat Width
Exhaust - Heavy Duty 1.50 - 2.56 mm (0.053 - 0.101 inch)
Exhaust - Light Duty 1.65 - 2.49 mm (0.065 - 0.098 inch)
Intake 1.02 - 1.65 mm (0.040 - 0.065 inch)