Cylinder Head Specifications

CYLINDER HEAD

Application

Specification

Maximum Warpage

Head Gasket Surface ⁽¹⁾

.004" (.10 mm)

Exhaust Manifold

.010" (.25 mm)

Valve Seat Angle

⁽²⁾

Valve Seat Run-Out Maximum

.0020 (.05)

Valve Seat Width

Intake

⁽²⁾

Exhaust

⁽²⁾

Valve Seat Bore Diameter

Intake

⁽²⁾

Exhaust

⁽²⁾

Valve Seat Insert Diameter

Intake

⁽²⁾

Exhaust

⁽²⁾

Valve Guides

Guide Inside Diameter

Intake

.2362-.2367 (6.000-6.012)

Exhaust

.2362-.2367 (6.000-6.012)

Guide Installed Height

⁽²⁾

Valve Stem-To-Guide Oil Clearance

Intake

.0012-.0022" (.030-.057 mm)

Exhaust

.0016-.0026" (.040-.067 mm)

⁽¹⁾	If cyninder head warpage is more than .0004 in. (.010 mm) and is less than .004 in. (.100 mm) cylinder head should be machined. If cylinder head warpage is .004 in. (.100 mm) or more cylinder head should be replaced.

⁽²⁾	Information is not available from manufacturer.