Popular GM 800 series style box is used on most 1964-88 GM passenger cars. Remanufactured by one of the top steering gear companies in the industry, this steering box is an excellent replacement for leaking or worn power steering boxes and used in many classes of racing including sportsman, modifieds, street stocks and also suitable for daily driven vehicles. Boxes have a 16:1 ratio, a .185 valve for smooth, easy operation, -6 AN adapter fittings and a 3/4"-30 splined input shaft. Each unit is quality tested and ready to be installed. Commonly used with ALL56354 pitman arm.