Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#10
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The "621" measures 16 3/4" and the "403" is 16 1/4" That 1/2" is why the 11" flywheel will work only in the 621 & 444 bellhousing. Kim
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Jake is my grandson!! |
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