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Speedway 1964.5-1966 Ford Mustang Front Power Disc Brake Conv.
Speedway 1964.5-1966 Ford Mustang Front Power Disc Brake Conv.

Speedway 1964.5-1966 Ford Mustang Front Power Disc Brake Conv.

Front Position, 5 on 4.5" Bolt Pattern, Four Caliper Pistons, Natural

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Speedway 1964.5-1966 Ford Mustang Front Power Disc Brake Conv.
Speedway 1964.5-1966 Ford Mustang Front Power Disc Brake Conv.
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We estimate this item will ship on or before December 18th.
Part # 91664043
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Speedway Motors to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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Bolt Pattern:
5 on 4.5"
Caliper Pistons:
Caliper Finish:
MFG. Part #:
Sold in Quantity:
Front Rotor Included:
Front Caliper Included:
Master Cylinder Included:
Brake Booster Included:
Application Type:
Disc/ Drum
Brake Hoses Included:
Mounting Bracket Included:


Tired of the weak braking power on your Mustang's drum brakes? So are we. That's why we have introduced the easy to bolt on disc brake kit that will have your Pony stopping on a dime! OEM style 4 piston calipers are sure to do the trick. Kit comes complete with everything you need to swap out your front brakes. Will not retain original bolt pattern when used with the 6-Cylinder Drum Brake Spindles Converts all others to a 5 LUG. If the brake kit isn't enough we have added power brakes with the slim line 7' single power brake booster and "Teardrop" casting number correct master cylinder! Get stopping power and retain that OEM look under the hood with this easy to install brake kit for your Mustang.

1964.5-1966 Ford Mustang Power Disc Brake Conversion Kit

Easy to install disc brake conversion kit uses the original drum spindle.

Minimum Rim size is 14x7" Front with a 5x4.5" bolt pattern.

Kit includes:

  • 4 piston Front caliper
  • Pads pre-loaded
  • Standard Rotors Front
  • Rubber brake hoses 
  • Bearings, seals, dust caps & hardware
  • Caliper brackets Front
  • Dust shields 
  • Ford Mustang Style Booster Conversion Kit
  • 7" Single Ford Bolt Pattern Brake Booster Powder Coated Black
  • Square single bail master cylinder w/ Casting numbers & "Teardrop"
  • O.E.M. Embossed lid available!
  • Disc/Drum proportioning valve kit w/ Bottom mount bracket & lines

Application Notes:

  • Works with 1964-1969 V8 drum brake spindles.
  • Also fits 1967-1969 6-Cylinder Drum Brake spindles but converts the vehicle to 5 lug.
  • Will not retain the original bolt pattern if used with 6-cylinder drum brake spindle.

63-69 Falcon
64-69 Fairlane, Ranchero, Comet, Cyclone
67-69 Cougar
68-69 Torino, Montego




Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • 91664043 BOX 1
    Qty x 1
  • 91664043 BOX 2
    Qty x 1
  • 91664043 BOX 3
    Qty x 1

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