Valve: Specifications

GENERAL:
Face Angle 45°
Stem Diameter 7.900 - 7.920 mm (0.311 - 0.312 inch)
Stem-to-Guide Clearance 0.025 - 0.076 mm (0.001 - 0.003 inch)
Max. Allowable (Rocking Method) 0.4318 mm (0.017 inch)

HEAD DIAMETER:
Intake 48.640 - 48.900 mm (1.915 - 1.925 inch)
Exhaust 41.123 - 41.377 mm (1.619 - 1.629 inch)

LENGTH (OVERALL):
Intake 145.19 - 145.82 mm (5.716 - 5.741 inch)
Exhaust 145.54 - 146.18 mm (5.730 - 5.755 inch)

LIFT (ZERO LASH):
Intake 9.91 mm (0.390 inch)
Exhaust 10.34 mm (0.407 inch)