Valve Seat

Angle 45°
Runout (Max.) 0.050 mm (0.002 inch)
Width (Finish) Intake and Exhaust 0.9-1.3 mm (0.035-0.051 mm)
Guide Bore Diameter (STD.) 11.0-11.02 mm (0.4330-0.4338 inch)
Finish Guide Bore ID 5.975-6.000 mm (0.235-0.236 inch)