Valve: Specifications

Face Angle 45 - 45.5°
Head Diameter Intake 33.67 - 33.93 mm (1.3256 - 1.3358 inch)
Head Diameter Exhaust 27.67 - 27.93 mm (1.0894 - 1.1000 inch)
Length-Intake (Overall) 107.89 - 108.39 mm (4.2476 - 4.2673 inch)
Length-Exhaust (Overall) 105.88 - 106.38 mm (4.1685 - 4.1882 inch)
Stem Diameter-Intake 5.934 - 5.952 mm (0.2337 - 0.2344 inch)
Stem Diameter-Exhaust 5.906 - 5.924 mm (0.2326 0.2333 inch)
Stem-to-Guide Clearance Intake (New.) 0.023 - 0.066 mm (0.0009 - 0.0026 inch)
Stem-to-Guide Clearance-Exhaust (New.) 0.051 - 0.094 mm (0.002 - 0.0037 inch)
Max. Allowable (Rocking Method)-Intake 0.29 mm (0.0114 inch)
Max. Allowable (Rocking Method)-Exhaust 0.370 mm (0.0146 inch)
Valve Lift (Zero Lash)-Intake 9.0 mm (0.3543 inch)
Valve Lift (Zero Lash)-Exhaust 8.0 mm (0.3150 inch)
Valve Stem Tip Height-Intake 47.120 + 0.467 mm (1.8551 + 0.0184 inch)
Valve Stem Tip Height-Exhaust 48.672 + 0.467 mm (1.9162 + 0.0184 inch)