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Spark Plug Specifications

SPARK PLUG SPECIFICATIONS

Application Motorcraft No. (1) Plug Gap
5.0L ASF-42C See Emissions Decal
5.8L ASF-32C See Emissions Decal
7.5L ASF-44P See Emissions Decal
(1) For the most current information, always refer to the Emissions Decal in the engine compartment.
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