We will be closed the week of September 7th, 2026

Orders placed during this time will ship the week of 9/14/26.

See you at Ford Takeover 2026

This adapter allows you to add Holley EFI Pro Dash to your project utilizing your vehicle's factory wiring.

Ford Mustang 1987-89 M.F. Plug and Play Dash Adapter is compatible with the following:

  • 1987-1989 Ford Mustang
  • Holley EFI Pro Dash 6.86
  • Holley EFI Pro Dash 12.3

Benefits:

  • Utilizes the factory wiring
  • Retains
    • Turn signals (left & right)
    • Parking brake indicator
    • High beam indicator
    • Fuel level
    • Power and ground
  • Includes
    • Alternator charging resistor
    • Built-in CAN bus splitter

Included in the box:

  • 2 x M.F. Adapter(s)
  • 1 x M.F. Harness

Included after purchase:

  • Discount code to 10% off at CarChains3D
  • Code will be e-mailed with one to two business days after purchase

Not included:

  • Holley Pro Dash Display Unit
  • Dash Mount Kit (get custom kits from CarChains3D)

Notice:

M.F. Kustoms, LLC prohibits the use of its products on emission controlled vehicles. All parts are sold for OFF ROAD, RACE-ONLY, ground-vehicle use purposes only.


Instructions
1987-89 Mustang Holley Pro Dash Download

There are no reviews for this product.

Write a review

Note: HTML is not translated!
    Bad           Good
Captcha

1987-89 Ford Mustang MFAdapter (Holley)

  • $225.00


Related Products

1986-1993 Ford Mustang MFAdapter (Holley HP or Dominator)

1986-1993 Ford Mustang MFAdapter (Holley HP or Dominator)

This adapter allows you to add a standalone engine management system to your project that is utilizi..

$850.00

1986-1993 Ford Mustang MFAdapter (Holley Terminator X)

1986-1993 Ford Mustang MFAdapter (Holley Terminator X)

This adapter allows you to add a standalone engine management system to your project that is utilizi..

$825.00