Valve Seat

Runout, Maximum: 0.064 mm (0.0025 inch)
Width: 1.75-2.32 mm (0.690-0.091 inch)
Angle: 45°
Insert Counterbore Diameter:
Intake: 39.940-39.965 mm (1.572-1.573 inch)
Exhaust: 34.940-34.965 mm (1.375-1.573 inch)

Valve Angles

Intake Valve Seat:

Intake

Exhaust Valve Seat:

Exhaust