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Valves & Valve Springs Specifications

VALVES & VALVE SPRINGS

Application In. (mm)
Face Angle 44°
Head Diameter
Intake 1.71 (43.5)
Exhaust 1.36 (34.5)
Stem Diameter
Intake .3159-.3167 (8.024-8.044)
Exhaust .3149-.3156 (8.998-8.016)
Valve Margin .031 (.79)
Valve Springs
Free Length 1.91 (48.5)
Installed Height 1.58-1.61 (40.1-40.9)
Out-Of-Square .078 (1.98)
Pressure Lbs. @ In. (Kg @ mm)
Closed 60-68 @ 1.59 (27-31 @ 37.8)
Open 138-149 @ 1.22 (63-68 @ 31.0)