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Spark Plugs

SPARK PLUG TYPE (1)

Application Spark Plug Type
4.7L RC12MCC4
5.9L RC12LC4
(1) Check spark plug application on underhood vehicle emission control label. If application differs from application listed, use application on underhood vehicle emission control label.
SPARK PLUG SPECIFICATIONS (1)

Application Gap In. (mm) Torque Ft. Lbs. (N.m)
4.7L .040 (1.01) 20 (27)
5.9L .040 (1.01) 26-30 (35-41)
(1) Check spark plug gap specification on underhood vehicle emission control label. If specification differs from that listed above, use specification on underhood vehicle emission control label.
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