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Challenger R/T, EZH
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Spark Plugs
Spark Plugs
SPARK PLUGS
Engine
Supplier
Spark Plug
Electrode Gap
3.5L
NGK
ZFR5LP-13G
1.27 mm (0.050 in.)
5.7L
NGK
LZFR5C-11G
1.00 mm (0.040 in.)
6.1L
NGK
PLZTR5A-13
1.00 mm (0.040 in.)