Cylinder Head Specifications

CYLINDER HEAD

Application

Specification

Maximum Warpage ⁽¹⁾

.0020" (.05 mm)

Valve Seats

Intake Valve

Seat Angle

46°

Seat Width

.059-.079" (1.50-2.00 mm)

Exhaust Valve

Seat Angle

46°

Seat Width

.059-.079" (1.5-2.0 mm)

Valve Guides

Valve Guide Installed Height

.96" (24.1 mm)

Intake Valve

Valve Stem-To-Guide Clearance

.0010-.0026" (.025-.066 mm)

Exhaust Valve

Valve Stem-To-Guide Clearance

.0096-.0031" (.038-.078 mm)

⁽¹⁾	If deck warpage exceeds specification, machine deck surface. DO NOT remove more than a combined total of 020" (.50 mm) material from original surfaces of cylinder head and cylinder block.