Originally Posted by TLT
Hello,

I am just looking to replace the stock rocker arm shaft hold-down bolts with studs on stock LA heads (stock shafts & rockers, mild street build with ported stock heads) just to save the threads in my factory heads, looking for grade 8, anybody know what size (length, etc) 5/16" studs will work under stock valve covers, or have a part # from anywhere to order? I have just spent 2 hours searching the internet with no luck, I just want to make sure I have proper thread engagement in the head & clearance for stock valve covers. I will be using grade 8 nuts and hardened washers of course.
Thanks!!

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