408 valve train noise

Here is what hughes says right off their web site. Scroll to the bottom and see the pic. http://www.hughesengines.com/Index/...el1=TGlmdGVycw==&level2=Um9sbGVy&partid=11035

If you notice how the chamfer is, you might not be able to tell whether the oil hole is exposed or not unless you actually REMOVE the lifter.