IS 350 V6-3.5L (2GR-FSE) (2006)
(e) Install the 4 nuts and 4 bolts.
Torque: 32 Nm (398 kgf-cm, 29 ft.-lbf)
NOTICE: Do not reuse the gaskets and nuts.
5. INSTALL HEATED OXYGEN SENSOR
(a) Before installing the heated oxygen sensors twist the sensor wires counterclockwise 4 turns.
(b) Using the SST install the heated oxygen sensors to the front exhaust pipe assembly.
SST 09224-00010
Torque: 44 Nm (449 kgf-cm, 33 ft.-lbf)