Cylinder Head Specifications

WARNING: This page is about a different variant/trim than selected.

CYLINDER HEAD

Application

Specification

Maximum Warpage ⁽¹⁾

.003" (.08 mm)

Valve Seats

Seat Angle

45°

Seat Width

.060-.079" (1.52-2.00 mm)

Maximum Seat Runout

.0015" (.038 mm)

Valve Guides

Valve Guide Bore I.D.

.3174-.3184" (8.062-8.087 mm)

Valve Stem-To-Guide Oil Clearance

Intake

.0008-.0025" (.020-.064 mm)

Exhaust

.0018-.0035" (.046-.089 mm)

⁽¹⁾	Specification listed is within 6" (152 mm). Overall warpage is .006" (.15 mm). DO NOT machine more than .010" (.25 mm) from original gasket surface.