Cylinder Head Specifications

CYLINDER HEAD SPECIFICATIONS

Application

In. (mm)

Maximum Warpage

⁽¹⁾

Valve Seats

Seat Angle

45°

Seat Width

.075-.083 (1.90-2.10)

Maximum Seat Runout

.001 (.03)

Valve Guides

Intake Valve Stem-To-Guide Oil Clearance

.0008-.0027 (.020-.069)

Exhaust Valve Stem-To-Guide Oil Clearance

.0018-.0037 (.046-.094)

⁽¹⁾	Warpage specification is not available from manufacture. DO NOT machine more than .010" (.25 mm) from original cylinder head thickness.