Best brand for 3.73 gears
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Join Date: Sep 2005
Location: Bucks County, Pa.
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AAM made them HERE in the USA for GM, so IF you can find those, they might be a little bit less coin (but I am not sure IF there were differences {heat treatment/lapping/hardening/coatings/etc.} between what AAM offered to the aftermarket, and what they supplied to GM).