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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine - 4.9L 6-CYL - VIN [Y]) >> Overhaul >> Cylinder Head >> Valves

Cylinder Head: Valves

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  1. Ensure head diameter, valve face runout, stem diameter and valve margin are within specification. See VALVES & VALVE SPRINGS  table under ENGINE SPECIFICATIONS.
  2. Oversize valves are available in .015" (.38 mm) and .030" (.76 mm). When servicing valve stem tip, DO NOT remove more than .010" (.25) from end of valve stem.