Seat Width and Valve Installed Height
Valve Seat Width:
Standard (New): 1.25-1.55 mm (0.049-0.061 inch)
Service Limit: 2.00 mm (0.079 inch)
Intake Valve Stem Installed Height:
Standard (New): 46.75-47.55 mm (1.841-1.872 inch)
Service Limit: 47.80 mm (1.921 inch)
Exhaust Valve Stem Installed Height:
Standard (New): 46.68-47.48 mm (1.838-1.869 inch)
Service Limit: 47.73 mm (1.879 inch)