GX 470 V8-4.7L (2UZ-FE) (2004)
Spark Plug: Specifications
MAKE
DENSO ............................................................................................................................................................................................................... SK20R11
NGK .................................................................................................................................................................................................................... IFR6A11
GAP
Maximum gap for used plugs ............................................................................................................................................................... 1.3 mm (0.051 in.)
Correct gap for new plugs ............................................................................................................................................ 1.0 to 1.1 mm (0.039 to 0.043 in.)
TORQUE ........................................................................................................................................................................... 17.5 N.m (180 kgf.cm, 13 ft.Ibf)