F 150 4WD V8-5.4L Flex Fuel (2008)
Spark Plug: Specifications
General Specifications
Item.....................................................................................................................................................................................................................Specification
Spark plug gap (early build - not adjustable)....................................................................................................................1.15 ± 0.13 mm (0.040 to 0.050 in)
Spark plug gap (late build)................................................................................................................................................1.05 ± 0.05 mm (0.039 to 0.043 in)
