# S14 T28 Dynamic or Carbon Seal?

**URL:** <https://forums.speedlife.net/t/s14-t28-dynamic-or-carbon-seal/122479>\
**Category:** SON240sx Automotive\
**Created:** [March 11, 2009, 9:04am UTC](https://forums.speedlife.net/t/s14-t28-dynamic-or-carbon-seal/122479 "2009-03-11T09:04:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Martino](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/martino/32/5674_2.png) [@Martino](https://forums.speedlife.net/u/Martino)\
**Post date:** [March 11, 2009, 9:04am UTC](https://forums.speedlife.net/t/s14-t28-dynamic-or-carbon-seal/122479/1 "2009-03-11T09:04:03Z")

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Quick question regarding an S14 T28.

Are they dynamic seal or carbon seal?

I’m guessing considering an S14 would be '95 and up that it’d be dynamic seal.

Can someone correct me on this?