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Home › Subaru › 2006 › Impreza WRX TR › Repair and Diagnosis › Engine Performance › Ignition System › Ignition (H4DOTC Engine) › Spark Plug › Removal › Notes

Spark Plug: Removal: Notes

CAUTION: All spark plugs installed on an engine, must be of the same heat range.

Spark plug: 

NGK: ILFR6B 

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