A Crower or some other brand of crank machined from a solid billet is probably the only made in USA option, and even then there’s no guarantee that the billet was USA sourced. Very expensive in the thousands and long lead times.
All the forged cranks come from China nowadays there’s really no way around that, finish machined either over there or in the USA.
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1964 Tempest Coupe LS3/4L70E/3.42
1964 Le Mans Convertible 421 HO/TH350/2.56
2002 WS6 Convertible LS1/4L60E/3.23
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