Product Summary

Front Position, 5 on 5.5" Bolt Pattern, Natural

  • Add braking performance to your '57-'64 Ford 1/2 ton truck with this budget friendly disc brake conversion
  • Features a big 11-3/4" vented rotor, bigger rotors generate more torque on the wheel increasing stopping performance
  • Includes larger bore GM midsize calipers (71-76 Impala) for increased clamping force and to reduce brake fade
  • Rotors have 5 on 5-1/2" bolt pattern and 1/2"-20 studs for use with disc brake compatible wheels
  • Simple bolt on all inclusive kit with instructions provided for a seamless installation

Comes as a Kit

Key Specs

Bolt Pattern5 on 5.5"
Rotor Diameter11.75 Inch
Rotor TypeVented
Caliper PistonsOne

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Speedway Motors 91031913 Details

These kits allow you to put disc brakes on your 1957-64 Ford 1/2 ton pick-up.

  • Simple bolt-on installation to stock Ford spindles
  • Full kit has everything you need to make the swap
  • Improved stopping power and safety with disc brakes
  • Excellent value to upgrade your favorite classic Ford pickup
  • 5 x 5-1/2" rotor was originally used on front of most Ford F-150 two wheel drive trucks from 1973 to approximately 1993
  • 11.75" rotor diameter. 

Kit Includes:

  • 11-3/4" brake rotor, 5 x 5-1/2"
  • Brake pads
  • GM Caliper slide bolts
  • Rubber Brake Lines
  • Rebuilt 1971-76 calipers (7/16"-20 inlets)
  • Brake brackets
  • Hardware
  • Seals
  • Inner bearing cups
  • Inner bearing cones
  • Spacers
  • Outer bearing cones
  • Dust caps


Speedway Motors 91031913 Specifications

MFG. Part #91031913
BrandSpeedway Motors
Bolt Pattern5 on 5.5"
Rotor Diameter11.75 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
Parking Brake ProvisionNo
Rotor ShapeRound
Hardware IncludedYes
Front Rotor IncludedYes
Front Rotor Diameter11.75 Inch
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Rear Rotor IncludedNo
Speedway Motors Catalog Part #910-31913
Rotor Thickness1.18"
Stud Diameter.50"
Stud Length1.05"
Thread Pitch1/2"-20
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.