Highlander 4WD V6-3.3L (3MZ-FE) Hybrid (2007)
Spark Plug: Specifications
Maximum electrode gap for used spark plug...............................................................................................................................................1.3 mm (0.051 in.)
Electrode gap for new spark plug........................................................................................................................................1.0 to 1.1 mm (0.039 to 0.043 in.)
Torque.......................................................................................................................................................................................25 N.m (250 kgf.cm, 18 ft.lbf)