This is a NOS speedometer cable shaft for ALL of the years & models listed below with automatic transmission. This is the center shaft that fits in your metal housing and measures 72 3/4 inches. New original Chrysler part. Chrysler used 2 different sizes in 1961 so you will need to measure your old cable.
Saratoga; Chrysler 300G; New Yorker
Dart Pioneer; Dart Seneca; Dart Phoenix; Polara; Polara 500
Savoy; Belvedere; Fury; Sport Fury