# Darton sleeve question......

**URL:** <https://forums.speedlife.net/t/darton-sleeve-question/101316>\
**Category:** SON240sx Automotive\
**Created:** [November 1, 2006, 11:16am UTC](https://forums.speedlife.net/t/darton-sleeve-question/101316 "2006-11-01T11:16:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Fitzy](https://avatars.discourse-cdn.com/v4/letter/f/7ba0ec/32.png) [@Fitzy](https://forums.speedlife.net/u/Fitzy)\
**Post date:** [November 1, 2006, 11:16am UTC](https://forums.speedlife.net/t/darton-sleeve-question/101316/1 "2006-11-01T11:16:13Z")

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300-035-SF 3.455 3.751 0.148 5.335 0.200 3.920 SR20 86-90mm  
300-035-DF 3.455 3.751 0.148 5.335 0.200 3.920 SR20 86-90mm

[http://www.dartonsleeves.com/sl\_import.htm](http://www.dartonsleeves.com/sl_import.htm)

they’re both SR20 sleeves, the only difference is one P/N ends in DF and t he other SF. Nissan is the only one that does this, Honda, Toyota, and Surbaru don’t.

whats the difference and which one do i want??

thanks,  
Fitzy

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<div class="post-metadata">

**Author:** ![Happy240sx](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/happy240sx/32/5515_2.png) [@Happy240sx](https://forums.speedlife.net/u/Happy240sx)\
**Post date:** [November 1, 2006, 12:05pm UTC](https://forums.speedlife.net/t/darton-sleeve-question/101316/2 "2006-11-01T12:05:56Z")

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Send them an email - I’m sure they’ll let you know