That's a Glasspar body, for sure.
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This Chrysler Kurtis-Kraft (with a 'K', not a 'C') 500K was entered with drivers Tony Bettenhausen, Duane Carter and Murrell Belanger (USA), but DNQ'd after experiencing electrical issues.
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Another 500K, with a Cadillac mill, was entered by Jack Ensley in '53. I cannot find a pic of that car.