300zx twin turbo crankshaft pulley small thread hole size?

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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andre1038
Posts: 203
Joined: Fri Mar 07, 2008 2:27 pm
Car: 1994 Infiniti J30t (Sold)
1990 Nissan 300zx (RB Project)
1994 300zx Twin turbo (500hp Daily)
2012 M56s
1998 Infiniti Q45 black on black (Sold)
1996 Infiniti G20
1992 Infiniti Q45 (R.I.P)

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like the title says does anybody know what kind of bolt will fit the 2 small little thread holes on the OEM crank pulley itself? i have a harmonic balancer tool kit but the smallest bolts that is in the kit are still a little to big.


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BigTDogg (MA)
Posts: 4194
Joined: Wed Aug 29, 2007 8:26 am
Car: 1990 Nissan 300ZX TT
Location: Boston MA

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M6x1.0, IIRC.

It's a 10mm head bolt.

If it's not that it's a 12mm head bolt, definitely no larger, but I'm pretty sure it's the M6


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