Superflow Hicklin, Inc. dba SuperFlow Technologies Group is a leader in the design, manufacture, and marketing of equipment used for rebuilding and testing drivetrain components found on passenger cars, light trucks, heavy-duty trucks, buses, military vehicles, and off-road equipment. SuperFlow Technologies Group is headquartered in Des Moines, Iowa. The Des Moines facility markets equipment under the brand names Axiline Precision Products, Hicklin Engineering, and TCRS (Torque Converter Rebuilding Equipment) favicon.ico