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Spark Plugs
SPARK PLUG SPECIFICATION
| ENGINE |
PLUG TYPE |
ELECTRODE GAP |
| 3.7L |
ZFR6F - 11G (NGK) |
1.1mm (0.042 in.) |
| 4.7L |
RC12MCC4 |
1.01 mm (.040 in.) |
| 5.7L |
Champion - RE14MCC4 |
1.14 mm (.045 in.) |