Valve Seat

SPECIFICATIONS
Valve seat
Width of seat contact
Intake 1.1 - 1.5 mm (0.043 - 0.059 inch)
Exhaust 1.3 - 1.7 mm (0.051 - 0.066 inch)
Seat angle 45°
Oversize 0.3, 0.6 mm (0.012, 0.024 inch) oversize