Discovery II (LT) V8-4.6L (2003)
Spark Plug: Application and ID
Make/Type
4.0 liter ....................................................................................................................................................................................... Champion RC11 PYP B4
4.6 liter ............................................................................................................................................................................................ Champion RN11 YCC
Gap
4.0 and 4.6 liter .............................................................................................................................. 1.00 +/- 0.05 mm (0.040 +/- 0.002 in) Non-adjustable
Torque ...................................................................................................................................................................................................... 25 Nm (18 ft. lbs.)