Spark Plug

Engine	Spark Plug	Gap	Thread Size
2.4L* (with PZEV)	ZFR5AP	0.8 mm (0.031 in.)	M14 X 1.25
2.4L (without PZEV)	ZFR5F-11	1.1 mm (0.043 in.)	M14 X 1.25
2.7L	RE14PMC5	1.27 mm (0.050 in.)	M14 X 1.25
3.5L	ZFR5LP-13G	1.27 mm (0.050 in.)	M14 X 1.25
*Partial Zero Emission Vehicle