Spark Plug Service · ComponentSpark Plugfor 2012 Toyota Highlander 2.7L I4 · FWDUnitslb-ftNmTorque16lb-ft21 NmNotesGap before installOther components in Spark Plug ServiceCover Screws8 lb-ft · 11 NmEngine Cover Clips2 lb-ft · 3 NmIgnition Coil Bolt8 lb-ft · 11 NmMounting Bolts21 lb-ft · 28 Nm📝 Suggest a correction to this torque spec