ARP Rocker Studs

Re: ARP Rocker Studs

should be 8mm on the bottom and 3/8 24 on the top. The part number is 134-7201 and that is out of the 2005 catalog and list them for late model chevy vortec heads.

But if you have the 2004 and newer vortecs with the hardened exhasut seats they have 10mm stud holes and then you use the 60 degree V6 studs. Part Number 100-7201
 
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