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Home >> Jeep >> 1998 >> Grand Cherokee 5.9 Limited >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - 5.9L >> Ignition System >> Spark Plugs
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Spark Plugs

SPARK PLUG TYPE

Application Specification
5.9L Champion RC-12LC4
SPARK PLUG SPECIFICATIONS

Application Gap In. (mm) (1) Torque Ft. Lbs. (N.m)
5.9L .040 (1.01) 26-30 (35-41)
(1) See underhood emissions sticker to verify gap.
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