HERE IS A NEW SPEEDOMETER CABLE FOR YOUR T-BIRD
THIS CABLE FITS:
***** 1957 THUNDERBIRD WITH FORD O MATIC TRANSMISSION OR 3 SPEED STICK WITH A 292 ENGINE .
THIS 60" CABLE HAS A 5/8" NUT AT THE SPEEDOMETER END AND A "PUSH-IN STYLE" AT THE TRANSMISSION END !!!!
THE 312 ENGINE WITH MANUAL TRANSMISSION OR OVERDRIVE TRANSMISSION I AM NOT SHOWING IN MY APPLICATION GUIDE . IT MAY FIT, BUT I CAN'T CONFIRM