Cylinder Head Specifications

CYLINDER HEAD

Application

Specification

Maximum Warpage

⁽¹⁾ .003" (.08 mm)

Valve Seats

Seat Angle

45°

Seat Width

Intake Valve

.06-.08" (1.5-2.0 mm)

Exhaust Valve

.08-.10" (2.0-2.5 mm)

Maximum Seat Runout

.001" (.025 mm)

Valve Guides

Intake Valve

Valve Guide I.D.

.3433-.3443" (8.720-8.745 mm)

Valve Stem-To-Guide Oil Clearance

.001-.0028" (.026-.071 mm)

Exhaust Valve

Valve Guide I.D.

.3433-.3443" (8.720-8.745 mm)

Valve Stem-To-Guide Oil Clearance

.0015-.0033" (.038-.083 mm)

⁽¹⁾	Maximum cylinder head wear limit is .010" (.25 mm). DO NOT machine more than .010" (.25 mm) from original cylinder head thickness.