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ARP Crank Bolt (what size socket)

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Old Dec 2, 2011 | 05:34 PM
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Default ARP Crank Bolt (what size socket)

What size socket do I need for a 12 point ARP crank bolt.
I know the stock bolt is 24mm, but the ARP bolt is alittle bigger.
26mm?
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Old Dec 2, 2011 | 05:51 PM
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1 1/16" 12pt I believe
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Old Dec 3, 2011 | 04:18 PM
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27mm 12 point if I remember right. I used to have one
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Old Dec 3, 2011 | 04:30 PM
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Originally Posted by fergymoto
27mm 12 point if I remember right. I used to have one
damn your good, hes right.
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Old Dec 3, 2011 | 04:36 PM
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1 1/16" = 26.9875 mm lol.. pretty sure it is not metric but standard
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Old Dec 3, 2011 | 05:35 PM
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never used anything but a 27mm
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Old Dec 5, 2011 | 12:12 AM
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while i too use the 27 (like my metrics on this car...) the catalog on page 58 shows 1 1/16" size
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Old Dec 5, 2011 | 10:15 AM
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Being that close either one will work LOL. I assumed it would have a metric head since it has a metric thread. Kind of backwards to use an SAE head whenever everything else on the motor is metric
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