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Ok, "one of the best guys around" padded the bill... OR the seller was not forthright with you. That is not an ARP head stud.
As much as I like ARP head studs, and have used them extensively, we are going to give Henry's Supertech studs a go on our next builds that require more than factory steel studs.
As you need new ones, both of the above will work for you, do your research and make your choice.
Cheers
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Turn3 Autosport- Full Service and Race Prep
www.turn3autosport.com
997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3
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