Thor 1800-2000 Stall, 4L80E Torque ConverterThe "Heavy Hammer" Series of Thor Converters are designed for heavy duty applications, commonly used for towing, hauling, plowing, and offroad. They are a popular upgrade from the factory converter, allowing greater torque capacity and overall durability. All Level 2 & 3 Heavy Hammer Converters come standard with an upgraded BILLET Cover. Each Thor Converter is pressure tested and electronically balanced to ensure optimal performance &...