F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
![background image](/ford/f_150_heritage_4wd_pickup/v8-5.4l_sohc_vin_z_bi-fuel/Page-1181001.png)
Spark Plug: Specifications
Spark Plug Gap
Spark Plug Gap ....................................................................................................................................................................... 1.32-1.42 mm (.052-.056 in.)