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Forester X, Automatic
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Ignition (H4SO)
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Spark Plug
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Removal
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Notes
Spark Plug: Removal: Notes
CAUTION:
All spark plugs installed on an engine, must be of the same heat range.
SPARK PLUG HEAT RANGE
Spark plug
CHAMPION: RC10YC4
NGK: BKR5E-11 (Alternate)
NGK: BKR6E-11 (Alternate)