engineCylinder Head R&R Torque Specsfor 2006-2020 Lexus GS 350 3.5L V6 · RWDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Bolts14 lb-ft · 19 Nm——Cylinder Head Bolts (12-Point)CriticalStep 1: 27 lb-ft (36 Nm). Step 2: +90 degrees. Step 3: +45 degrees (Total 135).27 lb-ft · 36 Nm135°—Cylinder Head Bolts (Recessed 6-Point)CriticalSmall bolts in recessed pockets: 22 lb-ft (30 Nm).22 lb-ft · 30 Nm——Gasket BoltsCritical17 lb-ft · 23 Nm——Mounting BoltsCritical40 lb-ft · 55 Nm——Mounting Bolts23 lb-ft · 31 Nm——Sensor Bolts9 lb-ft · 12 Nm—📝 Suggest a correction to this torque spec