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Tried installing my new Trickflow heads last night and found that my socket would not fit in the bolt counter bores. The bolt heads are 5/8". My thinest 5/8 socket will not go in. Do new head bolts have 9/16 heads?
Yes, I am using the washers that came with the heads...what's going on?
My ARP bolts have 1/2" bolt heads. They are 12 Point. they also make a 6 point with 1/2" heads.
Thanks for the reply Mod.
Yeah I went to Santa Ana Speed and they fixed me up with
a set of ARP 6 point 1/2' ers that worked fine. Though it was kinda scary
torquing a 1/2 inch socket to 70 lbs.