engineCylinder Head R&R Torque Specsfor 2021 GMC Sierra 1500 6.2L V8 · RWDUnitslb-ftNm9 fastenersSeqComponentTorqueAngle—Cover Bolts16 lb-ft · 22 Nm——Cylinder Head Bolts (M11)TTY Bolts. Step 1: 22 lb-ft. Step 2: 90 deg. Step 3: 90 deg. Spiral sequence.22 lb-ft · 30 Nm180°—Cylinder Head Bolts (M8)Upper row small bolts. Tighten to 22 lb-ft in sequence (inner to outer).22 lb-ft · 30 Nm——Electrical Connector Bolts7 lb-ft · 9 Nm——Gasket Bolts20 lb-ft · 27 Nm——Gasket Surface BoltsClean mating surfaces20 lb-ft · 27 Nm——Mounting Bolts47 lb-ft · 64 Nm——Sensor Bolts11 lb-ft · 15 Nm——Sensor Mounting Bolts11 lb-ft · 15 Nm—📝 Suggest a correction to this torque spec