Valve Seat

Angle-Intake and Exhaust 45-45.5°
Runout (Max.) 0.0762 mm (0.003 inch)
Width (Finish)-Intake 1.75-2.25 mm (0.069-0.088 inch)
Width (Finish)-Exhaust 1.50-2.00 mm (0.057-0.078 inch)