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1 Post By Dan Case

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#10 (permalink)

02-17-2018, 02:42 PM

CompClassics CompClassics is offline

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Join Date: Feb 2013

Location: Carlsbad, Ca

Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers

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On the "55" stamped original production line knock-offs the "55" indicated the thread pitch. Dan made reference to a manufacturer change, it was from Harvey to Alcoa, I believe Alcoa bought Harvey.

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