Valve, Intake/Exhaust

Face Angle 44 - 1/2° - 45°
Head Diameter Exhaust 40.01 - 40.26 mm (1.915 - 1.925inch)
Length Intake (Overall) 145.11 - 145.75 mm (5.713 - 5.738 inch)
Length Exhaust (Overall) 146.23 - 146.86 mm (5.757 - 5.782 inch)
Valve Margin Intake 1.30 mm (0.051 inch)
Valve Margin Exhaust 2.03 mm (0.080 inch)
Lift Intake (Zero Lash) 13.77 mm (0.542 inch)
Lift Exhaust (Zero Lash) 13.77 mm (0.542 inch)
Stem Diameter Intake and
Exhaust 7.90 - 7.92 mm (0.311 - 0.312 inch)
Stem-to-Guide Clearance Intake and
Exhaust 7.90 - 7.92 mm (0.001 - 0.003 inch)
Max. Allowable Intake
(Rocking Method) 0.50 mm (0.020 inch)
Max. Allowable Exhaust
(Rocking Method 0.70 mm (0.027 inch)