Valve Seat

DIMENSIONS
Face Angle 45 - 45.5°
Seat Angle 44.5 - 45°
Seat Runout (Max) 0.050 mm (0.002 inch)
Seat Width (Finish) 0.9 - 1.3 mm (0.035 - 0.051 inch)
Seat Guide Bore Diameter 11.00 - 11.02 mm (0.4330 - 0.4338 inch)
Seat Diameter
Intake 34.50 mm (1.358 inch)
Exhaust 29.50 mm (1.161 inch)