#66 heads
I've acquired a 455, it has casting #66 heads. They have press-in rocker studs and bolt-on guide-plates.
My question is:
The pad that the guide-plates set on. Is it the same height as a head that came equipped with screw-in studs from the factory? I'm concerned about clearance between the bottom of stock style rocker arms and the hex on the stud.
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