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Shock mount /top hat nut size?

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Old 05-26-2011, 01:33 PM
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Default Shock mount /top hat nut size?

I'm missing 4 of these - the ones that mount the top hats to the body. Anyone know for certain what size they are? I need to go look for some after work and don't have time to run home. I think it's an M6x1.25 but I'm not positive.

I must have let 4 of mine go with my old suspension when I sold it....

Thanks!
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Old 05-26-2011, 03:58 PM
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Dang it...nobody knows for certain?
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Old 05-26-2011, 05:05 PM
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M8x1.25 on the NB if that helps
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Old 05-26-2011, 05:16 PM
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M8 sounds right. I know the NA and NB threads are the same. Make sure you use a thread locker with non OEM nuts. I had two missing once and used nuts from Lowes, they were loose in a week even though I torqued them to factory specs and I have never had this problem on any of my other Miatae.
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Old 05-26-2011, 08:32 PM
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Originally Posted by chpmnsws6
M8x1.25 on the NB if that helps
This is correct.

I also lost hardware store nuts that fall off, I ended up purchasing some flange nuts from Fastenal. They have been there for 2 seasons and are torqued nicely.
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Old 05-26-2011, 09:15 PM
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Yep. Confirmed 8x1.25. Got some nuts and lock washers at an auto parts store. They say "prevailing torque" but they don't behave like lock nuts.

I'm going to a local fastener specialty shop tomorrow to see about flanged lock nuts before I commit to these and red thread locker.
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Old 05-26-2011, 10:57 PM
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As I said, the same size as the measuring stick in your pants.

Last edited by hosspoons; 05-26-2011 at 11:09 PM.
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Old 05-26-2011, 11:36 PM
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Those nuts are at least an M60x2
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