Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - SBC valve spring retainers......
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Old 06-26-2010, 10:48 PM
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Sounds like you are using stock 7 valve locks, and the retainers are 10 type. 10 locks are roughly 1/16" bigger and have a slightly flatter angle, makes them wider at the top. 10 is pretty much the industry race standard now days.

There are also what is called Super 7 locks, these are larger at the upper end like the 10 locks are but are still the 7 angle, makes then bigger around at the lower end than stock 7.

Do you have a part # for the retainer you have, or measurements of what you have??
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