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Strange Holley 4000
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05-14-2019, 06:28 PM
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Pjneedham88
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Join Date: May 2019
Location: South Central Pa
Posts: 12
Re: Strange Holley 4000
Sorry I"m just now replying. The number on the base is ECS-9510 E LIST-1391. It does have a spark valve, and there is a giant govenor on the front.
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