0.039–0.043 inch
(1.0–1.1mm)
.044 inch
for what size of engine ?
The proper spark plug gap for a 2001 Ford F150 4.6 V8 is .054"
.044 inch
.044 inch
.044 inch
.054 inch
That would depend on which engine size you have
How to replace spark plugs on a 2010 ford fusion
2001 Ford Truck F150 1/2 ton P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
www.motorcraft.com shows ( .054 inch )
( .054 inch ) according to www.motorcraft.com