2ND DESIGN SAGINAW 2.54 RATIO CLUSTER GEAR ,USED ALL HELICAL TEETH NICE ,REVERSE NICE  MINOR RUST PITTING ,SHOULD SHOW IN PICS ,STILL A VERY DECENT USABLE PART 25-21-19-15-15  WILL ONLY MESH WITH A 19T ONE GROOVE INPUT . ORIGINAL G.M. PART