Joey Mack Posted December 16, 2020 Share Posted December 16, 2020 Hello, Does anyone know the part number for the head studs, My studs bores are 5/8X11 thread, The tops are fine thread..? I was about to install my heads and when I opened the boxes of studs that i have. They were smaller, Probably 9/16".... I guess there for an END 18 hole engine.. I have a 20 hole engine.. Thanks, Jojo Quote Link to comment Share on other sites More sharing options...
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