Valve Specifications

VALVE SPECIFICATIONS

Application

In. (mm)

Intake ⁽¹⁾

Head Diam.

1.805 (45.85)

Face Angle

45.5°

Seat Angle

45.5°

Seat Width

.059-.083 (1.50-2.10)

Stem Diameter

.3134-.3139 (7.960-7.975)

Stem Clearance

.0010-.0020 (.025-.055)

Valve Lift

N/A

Exhaust ⁽¹⁾

Head Diam.

1.490 (37.85)

Face Angle

45.5°

Seat Angle

45.5°

Seat Width

.061-.081 (1.55-2.05)

Stem Diameter

.3129-.3134 (7.945-7.960)

Stem Clearance

.0015-.0030 (.040-.070)

Valve Lift

N/A

⁽¹⁾	Standard intake valve stem length is 4.09" (103.8 mm). Exhaust valve stem length is 4.11" (104.3 mm).