The group's principal activity is to remanufacture and sell replacement fuel system components and constant velocity drive assemblies used in automobiles and trucks. The group also remanufactures and sells replacement electrical and mechanical products for passenger car, agricultural and heavy duty truck original equipment applications. The products include carburetors, constant velocity drive assemblies, electrical and mechanical products. The group also prepares and publishes catalogs of its products, including a guide with information as to the various vehicle models. The group makes available to its customers the mema transnet computerized order entry system, which enables the customers to place orders into the group's central computer.