Valve Seat
Valve Seats
Upper Reduction Angle (A):
Inlet 20°
Exhaust 15°
Matching Surface Angle (B):
Inlet and Exhaust 45°
Lower Reduction Angle (C):
Inlet and Exhaust 60°
Valve Seat Width (a)
Inlet 1.4 - 1.8 mm
Exhaust 1.8 - 2.2 mm
Valve Seats
Upper Reduction Angle (A):
Inlet 20°
Exhaust 15°
Matching Surface Angle (B):
Inlet and Exhaust 45°
Lower Reduction Angle (C):
Inlet and Exhaust 60°
Valve Seat Width (a)
Inlet 1.4 - 1.8 mm
Exhaust 1.8 - 2.2 mm