Valve: Specifications

Face Angle 44 1/2 - 45°
Head Diameter Intake 36.37 - 36.63 mm (1.4319- 1.4421 inch)
Head Diameter Exhaust 28.87 - 29.13 mm (1.1366-1.1469 inch)
Length Intake (Overall) 114.41 - 114.99 mm (4.5043 - 4.5272)
Length Exhaust (Overall) 125.67 - 126.25 mm (4.9476 - 4.9705 inch)
Stem Diameter Intake 6.935 - 6.953 mm (0.2730 - 0.2737 inch)
Stem Diameter Exhaust 6.906 - 6.924 mm (0.2719 - 0.2726 inch)
Cylinder Bore Diameter 92.0 mm (3.622 inch)
Stem-to-Guide Clearance Intake (New) 0.022 - 0.065 mm (0.0009 - 0.00256 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 8.55 mm (0.3367 inch)
Valve Lift (Zero Lash) Exhaust 6.53 mm (0.2571 inch)
Valve Stem Tip Height Intake 42.366 - 43.655 mm (1.6680 - 1.7187 inch)
Valve Stem Tip Height Exhaust 44.705 - 45.986 mm (1.760 - 1.8105 inch)