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Home › Jeep › 2007 › Grand Cherokee SRT-8 › Repair and Diagnosis › Engine Performance › Ignition System › Ignition System (Service Information) › Specifications › Spark Plugs

Spark Plugs

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.)
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