FixVault

Section 244 (Engine - 6.2L V8): Specifications: Valve

WARNING: This page is about a different car, the 2019 Ford F-350 Super Duty and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Item Specification
Valve stem diameter -- intake 0.3123 -0.3131 in (7.933 -7.953 mm)
Valve stem diameter -- exhaust 0.3119 -0.3126 in (7.921 -7.941 mm)
Valve stem-to-guide clearance -- intake 0.0009 -0.0028 in (.022 -.072 mm)
Valve stem-to-guide clearance -- exhaust 0.0013 -0.0033 in (.034 -.084 mm)