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Std bore 21 stud I've been stepping over 26 yrs
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02-02-2018, 05:49 PM
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flatjack9
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Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,526
Re: Std bore 21 stud I've been stepping over 26 yrs
Hardened sleeve engines were stamped HS I believe.
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