engineHead Gaskets - Both Torque Specsfor 2012 GMC Sierra 2500HD 6.0L V8 Vortec · 4WDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Camshaft Cap BoltsCriticalTorque sequence16 lb-ft · 22 Nm——Cylinder Head BoltsCriticalMulti-step + angle88 lb-ft · 119 Nm——Cylinder Head Bolts (M11)CriticalTTY 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)CriticalUpper row small bolts. Tighten to 22 lb-ft in sequence (inner to outer).22 lb-ft · 30 Nm——Exhaust Manifold NutsCritical34 lb-ft · 46 Nm——Intake Manifold BoltsCritical24 lb-ft · 33 Nm——Valve Cover BoltsCritical14 lb-ft · 18 Nm—📝 Suggest a correction to this torque spec