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By paul2748 - 6 Years Ago
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I have found two or three of these things in an engine gasket set for Yblock. What are they for?
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By Rowen - 6 Years Ago
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No idea. Lifter holder upper??
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By Hoosier Hurricane - 6 Years Ago
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Side seals for very early Y Block rear main seal cap?
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By 56_Fairlane - 6 Years Ago
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Muffler bearing holder?
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By jsprengeler - 6 Years Ago
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Bubble wand?
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By charliemccraney - 6 Years Ago
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Looks like John is right. Saw this on the Facebook Y-Block Group. Looks like a cast iron rear main seal retainer. EBU can be seen cast into the side. Seems like a much better overall design. I wonder if it was eliminated becase of a problem or possibly only cost cutting.
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By MoonShadow - 6 Years Ago
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That would probably add a little bit of strength to the rear seal area. My engine has all steel main caps and I think this type of rear seal holder would compliment them.
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