Valve Specifications

VALVE SPECIFICATIONS

Application

In. (mm)

Intake ⁽¹⁾

Head Diameter

1.811 (46.0)

Face Angle

45.5°

Seat Angle

45°

Seat Width

.039-.071 (1.0-1.8)

Stem Diameter

n/a

Stem Clearance

.006 Max. (.15)

Valve Lift

n/a

Exhaust ⁽¹⁾

Head Diameter

1.496 (38.0)

Face Angle

45.5°

Seat Angle

45°

Seat Width

.051-.083 (1.3-2.1)

Stem Diameter

n/a

Stem Clearance

.006 Max. (.15)

Valve Lift

n/a

⁽¹⁾	Minimum valve head margin on intake valves is 0.051" (1.3 mm) and .079" (2.0 mm) on exhaust.