This product is a used OEM Saginaw 4 or 3 speed 18 tooth input shaft with 2 grooves, designed for vintage vehicles. Made of steel, this input shaft is specifically manufactured by Saginaw with a small19 tooth gear count. The product is identified with the manufacturer part number AWT302-16 and is not universal fitment, will only mesh with cluster having 29 T head gear giving you a 1.84 second in a 3 speed  this input shaft is a quality part manufactured in the United States by ACDelco. NO EXPORTS