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Spark Plugs

Engine	Supplier	Spark Plug	Electrode Gap
3.6L	NGK	RER8ZWYCB4	1.00 mm (0.040 in.)
5.7L	NGK	SPLZF R5C11	1.00 mm (0.040 in.)
6.4L	NGK	LZTR6AP11EG	1.00 mm (0.040 in.)