Valve, Intake/Exhaust

Valve
Valve head diameter
intake 34.85 - 35.15 mm (1.372 - 1.383 in.)
exhaust 29.85 - 30.15 mm (1.175 - 1.187 in.)
Valve stem diameter
intake 5.470 - 5.485 mm (0.2153 - 0.2159 in.)
exhaust 5.465 - 5.480 mm (0.2151 - 0.2157 in.)
Valve stem-to-guide clearance
intake 0.0027 mm (0.0009 in.)
exhaust 0.0029 mm (0.0011 in.)
Valve face runout 0.05 mm (0.001 in.)
Valve face angle 45 degrees

Valve Spring
Compression Pressure
Intake and exhaust (installed) 38.667 lbs.
Intake (valve open) 8.9 mm (0.35 in.) of lift 97.032 lbs.
Exhaust (valve open) 7.4 mm of lift 93.338 lbs.
Free length 44.92 mm (1.768 in.)
Assembled height 37.9 mm (1.492 in.)