I'm not sure, but if they stand behind them and if they do as well as pretty much all of their other engines it might not be an important issue. None the less it'd be nice if they are/were US made.

In any case it's great they're embracing and catering to the diesel swap community who are heavy users of Cummins. 50 state legal plug and play modern engine is a nice offering, and looking forward to other models.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-