New Speedometer 83" long cable.Fits Automatic and four speed transmissions Should you need 63" please inquire..priced slightly more . Replace that old and frayed cable with a Quality speedo cable for GM Powerglide Turbo Hydramatic 350 , 400, 200 , 200R4 , 700R4 and 4L60
Cable has 7/8" nut for transmission connection and 5/8"-18 threaded nut for speedometer connection.