Spark Plug Service · ComponentSpark Plugfor 1990 Ford F-150 4.9L I6 300 · 4WDUnitslb-ftNmTorque15lb-ft20 NmNotesGap before installOther components in Spark Plug ServiceAir Box Clips4 lb-ft · 5 NmBracket Bolts15 lb-ft · 20 NmConnector Bolts5 lb-ft · 7 NmCover Screws8 lb-ft · 11 NmEngine Cover Clips2 lb-ft · 3 NmIgnition Coil Bolt8 lb-ft · 11 NmMounting Bolts20 lb-ft · 27 NmOil Drain Plug26 lb-ft · 35 NmSensor Bolts8 lb-ft · 11 NmWheel Lug Nuts103 lb-ft · 140 Nm📝 Suggest a correction to this torque spec