Valve Specifications

VALVE SPECIFICATIONS

Application

Specification

Intake⁽¹⁾

Head Diameter In. (mm)

1.811 (46.0)

Face Angle

45.5°

Seat Angle

45°

Seat Width In. (mm)

.039-.071 (1.0-1.8)

Stem Diameter

n/a

Stem Clearance In. (mm)

.006 Maximum (.15)

Valve Lift

n/a

Exhaust

Head Diameter In. (mm)

1.496 (38.0)

Face Angle

45.5°

Seat Angle

45°

Seat Width In. (mm)

.051-.079 (1.3-2.1)

Stem Diameter

n/a

Stem Clearance In. (mm)

.006 Maximum (.15)

Valve Lift

n/a

⁽¹⁾	Minimum valve head margin on intake valves is .051" 1.3 mm) and .079" (2.0 mm) on exhaust.