Could we trust a $70. head stud kit ? - Dodge Cummins Diesel Forum
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post #1 of 10 (permalink) Old 12-07-2019, 10:08 PM Thread Starter
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Could we trust a $70. head stud kit ?

I saw this 12 valve head stud kit on the big auction site in CA. A full set for $69.90 !!!? How can it be, and can they be trusted ?
https://www.ebay.com/itm/Head-Stud-K...53.m1438.l2649


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post #2 of 10 (permalink) Old 12-07-2019, 11:40 PM
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No.






No. No. No.

You can even see how heinous the threads are on their stock photo. No.


Dont do it.

Unless someone feels like taking a huge gamble here. Which I doubt any of us would do. You included.

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post #3 of 10 (permalink) Old 12-08-2019, 12:52 AM
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Someone needs to report them to arp they even used the same part number!!!! In all reality if someone was to be a test subject would be interested to see how well they work. My money is on they are garbage though.
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post #4 of 10 (permalink) Old 12-09-2019, 12:19 AM
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You get the torque wrench, I'll get the popcorn.

I tested a $300 set of ARP knockoffs and they were garbage. Washers started squishing out from underneath the nut at 90 ft-lbs. With ARP washers, the studs yielded at 130 ft-lbs.

These ones you linked look even crustier than those ones I tested.

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post #5 of 10 (permalink) Old 12-09-2019, 08:22 AM
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C'mon guys they are "Grade steel construction"....

1997 ECLB - 5" Diamond Eye straight pipe - ISSpro Trans temp/EGT/Boost - AFC Live - boost elbow - 191s - Built trans - BHAF - ARP 425s - PSC SG852 - 315/75/16
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post #6 of 10 (permalink) Old 12-09-2019, 08:37 AM
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Glade steer constluction, sounds like.
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post #7 of 10 (permalink) Old 12-09-2019, 01:57 PM
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Seems legit.



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post #8 of 10 (permalink) Old 12-18-2019, 07:45 AM
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post #9 of 10 (permalink) Old 12-18-2019, 05:45 PM
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Quote:
Originally Posted by dauntless89 View Post
You get the torque wrench, I'll get the popcorn.

I tested a $300 set of ARP knockoffs and they were garbage. Washers started squishing out from underneath the nut at 90 ft-lbs
Like this?



These washers came with the SHCS head bolts I used in my engine.
Washers started crushing around 100 ft-lbs
I stopped at 120 ft-lbs after installing ARP washers

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post #10 of 10 (permalink) Old 12-18-2019, 06:44 PM
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Quote:
Originally Posted by Destroked 450 View Post
Like this?



These washers came with the SHCS head bolts I used in my engine.
Washers started crushing around 100 ft-lbs
I stopped at 120 ft-lbs after installing ARP washers
I guess the guys who put that kit together have never heard of hardened SAE washers?
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