Valve, Intake/Exhaust

Face Angle 43.25° - 43.75°

HEAD DIAMETER:

Intake 47.752 mm (1.88 inch)
Exhaust 41.072 mm (1.617 inch)

LENGTH (OVERALL):
Intake 126.21 - 126.85 mm (4.969 - 4.994 inch)
Exhaust 126.44 - 127.30 mm (4.978 - 5.012 inch)

Lift (Zero Lash) 10.414 mm (0.410 inch)

STEM DIAMETER:
Intake 9.449 - 9.474 mm (0.372 - 0.373 inch)
Exhaust 9.423 - 9.449 mm (0.371 - 0.372 inch)

STEM-TO-GUIDE CLEARANCE:
Intake 0.0254 - 0.0762 mm (0.001 - 0.003 inch)
Exhaust 0.0508 - 0.1016 mm (0.002 - 0.004 inch)
Max. Allowable (Rocking Method) 0.4318 mm (0.017 inch)

Guide Bore Diameter (Std) 9.500 - 9.525 mm (0.374 - 0.375 inch)