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Senior Member
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Discussion Starter · #1 ·
I installed my new AFR 185 heads today. Started to put the roller rockers on and the head studs are 3/8" and the rocker holes are 7/16". Am I missing something like a bushing?? I believe that Coast High Performance sent me the wrong rockers. So I'll try to call them on Monday. Any thoughts or suggestions?? :confused:
 

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18,144 Posts
I hate to tell you this, but you bought the wrong rockers.
 

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Discussion Starter · #5 ·
Thanks for the advice!!! I found the parts # on AFR's website for the 7/16" studs. I'll get them on Monday.
 

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9,698 Posts
All the screw in studs that I have seen, are 7/16" on the bottom, (the part that screws into the head), and depending on the stud, are either 3/8" or 7/16" on the rocker end. I have never seen a screw in stud for a small block Ford that is 3/8" on both ends
 
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