F 150 Heritage 2WD Pickup V8-4.6L SOHC VIN W (2004)
Valve: Specifications
Valve stem diameter
intake ........................................................................................................................................................... 6.995 - 6.975 mm (0.2754 - 0.2746 inch)
Valve stem diameter
exhaust ........................................................................................................................................................ 6.970 - 6.949 mm (0.2744 - 0.2736 inch)
Valve stem-to-guide clearance
intake ........................................................................................................................................................... 0.020 - 0.069 mm (0.0008 - 0.0027 inch)
Valve stem-to-guide clearance
exhaust ........................................................................................................................................................ 0.045 - 0.095 mm (0.0018 - 0.0037 inch)
Valve head diameter
intake ......................................................................................................................................................................................... 44.5 mm (1.751 inch)
Valve head diameter
exhaust ....................................................................................................................................................................................... 34.0 mm (1.338 inch)
