Valve Seat

Angle 44.25° - 44.75°
Runout (Max.) 0.0762 mm (0.003 inch)

WIDTH FINISH:
Intake 1.016 - 1.524mm (0.040 - 0.060 inch)
Exhaust 1.524 - 2.032 mm (0.060 - 0.080 inch)