Valve Seat

Seat Angle 46 degrees
Valve Seat Depth - Intake - from deck face 7.9 - 8.1 mm (0.3111 - 0.318 inch)
Valve Seat Depth - Exhaust - from deck face 8.9 - 9.1 mm (0.350 - 0.358 inch)
Valve Seat Runout 0.037 mm (0.0015 inch)
Seat Width - Intake 1.55 - 1.80 mm (0.061 - 0.071 inch)
Seat Width - Exhaust 1.70 - 2.0 mm (0.067 - 0.079 inch)