Valve, Intake/Exhaust

Intake Valve:
Stem Diameter 7.935 mm (0.3124 inch)
Face Angle 44 1/2°
Margin 0.794 mm (0.031 inch)
Head Diameter 45.5 mm (1.79 inch)
Length 125.38 mm (4.936 inch)
Lift (zero lash) 10.16 mm (0.400 inch)
Minimum Valve Length After Grinding Tip 124.892 mm (4.916 inch)

Exhaust Valve:
Stem Diameter 7.906 mm (0.3112 inch)
Face Angle 44 1/2°
Margin 1.191 mm (0.0469 inch)
Head Diameter 37.5 mm (1.476 inch)
Length 126.00 mm (4.964 inch)
Lift (zero lash) 10.16 mm (0.400 inch)
Minimum Valve Length After Grinding Tip 125.512 mm (4.941 inch)

Valve Timing:
Intake Opens 2° BTDC
Intake Closes 58° ABDC
Exhaust Opens 48° BBDC
Exhaust Closes 12° ATDC
Valve Overlap 14°
Intake Valve Duration 240°
Exhaust Valve Duration 240°