Patch out rusted-through sheet metal and rebuild a solid floor with the Spectra Premium Floor Extension (M114AR). This stamped body panel is a direct-fit replacement for the 1964-1970 Ford Mustang and the 1967-1970 Mercury Cougar, giving you clean, weldable metal to restore the floor area where age and moisture have taken their toll.
Floor extensions are welded in as part of a floor repair, so plan on trimming, fitting and welding during installation, and confirm the exact section you need against your vehicle before you begin. Because a single part number can cover several body styles and years, check the Buyer's Guide tab for the full list of covered vehicles and any engine specifics.
Interchange: GMK302051664R
This part cross-references / interchanges with the following part numbers:
What vehicles does the M114AR floor extension fit?
It is a direct-fit replacement for the 1964-1970 Ford Mustang and the 1967-1970 Mercury Cougar. See the Buyer's Guide tab for the full list of covered applications.
What does a floor extension do?
It is a stamped replacement body panel that provides fresh, weldable metal to rebuild a section of the floor where the original has rusted through or been damaged.
Does this panel bolt in or does it need welding?
Floor extensions are welded into place as part of a floor repair. Expect to trim, fit and weld the panel during installation.
Is the Spectra Premium M114AR a direct fit?
Yes. It is a direct-fit replacement that installs in place of the original panel on the listed Mustang and Cougar applications. Verify the exact floor section you need before you start.
What interchange number does this floor extension cross to?
It cross-references to GMK302051664R. Match your original panel and the covered application to confirm it is the correct section for your project.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
