Nut / Bolt question - size/tpi

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05-10-2007, 04:41 PM

AndyL

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Nut / Bolt question - size/tpi

Just looking for some replacement nut & bolts for missing ones (unfortunately I need a new tap & die set - this is easy when it's imperial).

1988 4runner w/ 22RE

Need to know what size/thread the nuts on the exhaust manifold studs are (flange to exhaust)?

Grade / length / tpi for bolts on the factory roll bar?

Thanks in advance,

Andy

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05-11-2007, 05:17 AM

ewong

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Toyota uses JIC
so TYPICALLY its
8mm x1.25
10mmx1.25

My GUESS is the exhaust mani studs are 10mmx1.25...
(I have spare ones around so I dont bother to know anymore...)

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05-11-2007, 06:09 AM

waskillywabbit

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On the rollbar they are 7/16 - 20 as those are seat belt bolts

Holding down the rollbar are M10 x 1.25mm IIRC and they go through the floor so the length is not crucial