ignitionSpark Plug Wires Torque Specsfor 2017 GMC Yukon 6.2L V8 · 4WDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Screws11 lb-ft · 15 Nm——Engine Cover Clips3 lb-ft · 4 Nm——Ignition Coil Bolt11 lb-ft · 15 Nm——Ignition Coil Bolts6 lb-ft · 8 Nm——Mounting Bolts27 lb-ft · 37 Nm——Spark PlugCriticalGap before install20 lb-ft · 27 Nm——Spark Plugs - Aluminum HeadCriticalApply anti-seize to threads15 lb-ft · 20 Nm—📝 Suggest a correction to this torque spec