As before, the most crucial MSA upgrade is to the Hummer's wheezing stock diesel or small block gasoline powertrain. Those pitiful V-8s are replaced by a 2006-2007.5 model-year 6.6-liter Duramax ...
Don't blame the three young bucks listed as co-founders of Mil Spec Automotive for this H1. No, the blame lies squarely with whomever is driving the price of original 2006 Hummer H1 Alphas up as high ...
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