ignitionSpark Plugs - V6 Torque Specsfor 2003 Kia Optima 2.7L V6 · FWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Engine Cover Clips2 lb-ft · 3 Nm——Ignition Coil Bolt8 lb-ft · 11 Nm——Mounting Bolts21 lb-ft · 28 Nm——Spark PlugCriticalGap before install16 lb-ft · 21 Nm—📝 Suggest a correction to this torque spec