ignitionSpark Plug Replacement Torque Specsfor 2021 Subaru Levorg 1.8L H4 Turbo CB18 · AWDUnitslb-ftNm2 fastenersSeqComponentTorqueAngle1Spark PlugCritical14.8 lb-ft · 20 Nm—2Ignition Coil Bolt5.9 lb-ft · 8 Nm—📝 Suggest a correction to this torque spec