Range Rover (LP) V8-4.0L (1999)
Spark Plug: Specifications
Make/Type
Up to 99MY .................................................................................................................................................................................... Champion RN11YCC
From 99MY ................................................................................................................................................................................... Champion RC11PYB4
Gap
Up to 99MY .................................................................................................................................................................. 0.90 - 1.00 mm (0.035 - 0.040 in)
From 99MY ................................................................................................................................................................ 1.00 +/- 0.05 mm (0.040 +/- 0.002)
Note: Do not attempt to adjust the gap of RC11PYB4 spark plugs.
Torque ........................................................................................................................................................................................................ 20 Nm (15 lbf.ft)