# Spark plug gap

**URL:** <https://forums.speedlife.net/t/spark-plug-gap/88859>\
**Category:** SON240sx Automotive\
**Created:** [September 21, 2005, 10:05am UTC](https://forums.speedlife.net/t/spark-plug-gap/88859 "2005-09-21T10:05:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jacky\_Ngai](https://avatars.discourse-cdn.com/v4/letter/j/3d9bf3/32.png) [@Jacky\_Ngai](https://forums.speedlife.net/u/Jacky_Ngai)\
**Post date:** [September 21, 2005, 10:05am UTC](https://forums.speedlife.net/t/spark-plug-gap/88859/1 "2005-09-21T10:05:15Z")

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I’m using a Denson Iridium IK20 for my S13 SR20det. Do i have to  
re-gap the spark plug? They comes with 0.4mm.

Thanks for any help.

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<div class="post-metadata">

**Author:** ![NeveR](https://avatars.discourse-cdn.com/v4/letter/n/e95f7d/32.png) [@NeveR](https://forums.speedlife.net/u/NeveR)\
**Post date:** [September 21, 2005, 10:17am UTC](https://forums.speedlife.net/t/spark-plug-gap/88859/2 "2005-09-21T10:17:16Z")

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I gap to 30/28 on my sr