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2019 clutch spline count

Joshua1130

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Ordering a new clutch trying to figure out if it’s a 23 or 26 spline count and what’s the best bang for your buck clutch kit
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Spacexguy

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23 spline stock. 26 spline upgrade. You probably, in all likelihood, have 23. 26 splines are pretty rare and only available aftermarket with a rebuild and as upgrade. I just sold a refreshed mt82 but bought the 26 spline upgrade off of amp and installed in. So you'll probably have and want to a 23 spline clutch when ordering
 

NGOT8R

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I can confirm that the input shaft in 2019 is a 23 spline. I looked for options to upgrade to a 26 spline 2 years ago during the rebuild phase and found them for the MT82, but not the D4.

If strengthening the input shaft is something you’re considering, the only thing that I know of (short of going through Calimer) is to have your hard parts Cryo’d. It’s about a $600+ process, but you can send in all hard parts at once and have them all strengthened. That’s what I did.
 

Spacexguy

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I can confirm that the input shaft in 2019 is a 23 spline. I looked for options to upgrade to a 26 spline 2 years ago during the rebuild phase and found them for the MT82, but not the D4.

If strengthening the input shaft is something you’re considering, the only thing that I know of (short of going through Calimer) is to have your hard parts Cryo’d. It’s about a $600+ process, but you can send in all hard parts at once and have them all strengthened. That’s what I did.
2nd this. Yes, 2018 and up all have 23 spline with NO aftermarket 26 splines available at this moment.
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