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Sierra WT vs NT leaf spring question
https://auszookers.com/forum/viewtopic.php?f=5&t=58017
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Author:  Pezooki [ Sun Jun 07, 2026 4:00 pm ]
Post subject:  Sierra WT vs NT leaf spring question

Hi all,

Are Narrow track and Wide track leaf springs the same, and interchangeable between NT and WT?

I have a 91 SWB WT Sierra and I need standard height (stock) leafs for RWC, (and also because it is unnecessarily high). I have found a set of NT springs available and I need to know if they will fit my WT?

Thanks!

Author:  Gwagensteve [ Mon Jun 08, 2026 9:58 am ]
Post subject:  Re: Sierra WT vs NT leaf spring question

Yes. Directly interchangeable.

Author:  Pezooki [ Mon Jun 08, 2026 10:18 am ]
Post subject:  Re: Sierra WT vs NT leaf spring question

Awesome, thanks Steve.

Author:  Pezooki [ Mon Jun 08, 2026 10:28 am ]
Post subject:  Re: Sierra WT vs NT leaf spring question

Gwagensteve wrote:
Yes. Directly interchangeable.


Sorry one more question - are LWB and SWB also the same? I just found out they are NT LWB springs.

Pez

Author:  Gwagensteve [ Tue Jun 09, 2026 11:25 am ]
Post subject:  Re: Sierra WT vs NT leaf spring question

Hmm. LWB rears are slightly shorter but I can’t confirm if it’s only the traybacks that use a shorter spring or all LWB. They fit, shackle angle will be slightly steeper that’s all. It’s only a few mm.

Author:  Pezooki [ Tue Jun 09, 2026 4:57 pm ]
Post subject:  Re: Sierra WT vs NT leaf spring question

Ok thanks again. I'll keep hunting for SWB springs - if anyone here has a set of SWB leaf springs available, (SE Melb preferred) please let me know!

Pez

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