# What spark plugs are good?

**URL:** <https://forums.speedlife.net/t/what-spark-plugs-are-good/87722>\
**Category:** SON240sx Automotive\
**Created:** [August 5, 2005, 7:26am UTC](https://forums.speedlife.net/t/what-spark-plugs-are-good/87722 "2005-08-05T07:26:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![240\_Foz](https://avatars.discourse-cdn.com/v4/letter/2/dc4da7/32.png) [@240\_Foz](https://forums.speedlife.net/u/240_Foz)\
**Post date:** [August 5, 2005, 7:26am UTC](https://forums.speedlife.net/t/what-spark-plugs-are-good/87722/1 "2005-08-05T07:26:47Z")

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I’m going to do a tune up on my car, what kind of plugs are good? How much of a performance gain is there between high quality plugs compared to average ones?

Are autolite double platinum plugs any good?