It's safe to say that the biggest vintage Mustang sore spot-outside of leaking cowl vents and failed window mechanisms-is unreliable clutch operation. It can be said that '65-'73 Mustang clutches are ...
Bill Upham at Mansfield Mustang has reproduced the ’71-’73 Mustang upper clutch return spring, which is PN D1ZZ-7523-A. This spring is correct for your Boss 351 as well. You can contact Bill via email ...