Dimensions

Valve Seat Diameter
Intake 34.066 mm (1.3512 inch)
Exhaust 27.048 mm (1.1436 inch)

Valve Guide I.D.
Intake 5.921-5.941 mm (0.2331-0.2339 inch)
Exhaust 5.908-5.928 mm (0.2326-0.2334 inch)

Valve Stem to the Valve Guide Clearance
Intake 0.024-0.070 mm (0.000986-0.00275 inch)
Exhaust 0.037-0.0782 mm (0.00150-0.00320 inch)

[1] Do Not Resurface if the Measurement is Less Than 0.076 mm (0.003 inch)