Cylinder Head Overhaul Specifications

Engine Liter/VIN 4.6L/Y,9

All Measurements Given In Inches Unless Otherwise Specified

Cylinder Head Warpage Limit 0.002
Valve Guides
Standard Inside Diameter 0.235
Stem To Guide Clearance
Intake 0.0010-0.0030
Exhaust 0.0020-0.0040
Valve Seats
Seat Angle 46deg.
Seat Width
Intake 0.003
Exhaust 0.0035
Runout 0.002