Make Precision Drivelines of Arizona, Inc. your "Go To" center for driveshaft, gear box and hydraulic repair and parts Precision Drivelines of Arizona, Inc. opened for business in 1988. We started out producing automotive drive axles and have evolved over the years into manufacturing and remanufacturing Over-The-Road truck driveshafts, gearboxes, agricultural shafts and many, many more items....