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Head studs and nut thread size


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What are the stock specs on head nuts and studs?  Isn't the thread size M8 x 1.25?  I've built hot rods in the past and am very familiar with ARP fasteners.  Looking to get these for my motor.

 

http://www.jegs.com/i/ARP/070/300-8311/10002/-1

 

For less than $40 shipped, you can't beat that.  Just need to get the stud specs so I can get those too.  They even sell kits like this if I can find the right sizes. 

 

http://www.jegs.com/i/ARP/070/400-8024/10002/-1

 

I live really close to Jegs so I may just head up and see what they have to offer.

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I didn't realize Jeff sold the ARP fasteners.  I thought he just had the extended PD studs.  I have a Noss head so I just needed stock length.  I found them on his site so I just sent him an email to order the studs from him.  That's easier than trying to piece it together and since he's doing my motor right now I'll just see if he can ship them with the motor.  

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