Valve Seat

Fig. 4 Valve Seats, Refacing:

Exhaust Valve Intake Valve
a = 33.2 mm 35.2 mm
b = 30.4 mm 32.8 mm
c = 2.4 mm .0 mm
d = 0.5-1.5 mm 0.5-1.5 mm
45° = valve seat angle
15° = correction angle