Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
Spark Plug: Specifications
SPARK PLUG ELECTRODE GAP
SPARK PLUG TORQUE
Using a 14 mm spark plug wrench, install the 4 spark plugs.
Torque.......................................................................................................................................................................................20 Nm (204 kgf-cm, 15 ft-lbf)