Yes, both the Autolite Single Platinum Spark Plug - Part No. AP65 and Autolite Single Platinum Spark Plug - Part No. AP63 comes with a manufacturer heat range of 4 and are considered hot plugs. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.
Answered on 3/25/2013 by John the Car-Doc from AAP
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