Quote:
Originally Posted by eschaider
This looks like an 11/32 valve stem in a ⅜ guide.
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That's what I thought. But the out-of-the-box inside diameter of the Edelbrock valve guides, which are designed for 3/8" valve stems, is .365". Even if you did no diamond honing at all, and just blindly dropped an 11/32" stem in there you would spot a wiggle of over .02" as you did it.