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Brake Kit 1969-77 GM Caliper to Early Ford Spindle, Ford B-P
Brake Kit 1969-77 GM Caliper to Early Ford Spindle, Ford B-P

Brake Kit 1969-77 GM Caliper to Early Ford Spindle, Ford B-P

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Brake Kit 1969-77 GM Caliper to Early Ford Spindle, Ford B-P
Brake Kit 1969-77 GM Caliper to Early Ford Spindle, Ford B-P
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Part # 91031940
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Bolt Pattern:
5 on 4.5"
Rotor Diameter:
11 Inch
Rotor Type:
Caliper Pistons:
Caliper Finish:
MFG. Part #:
Rotor Thickness:
Rotor Shape:
Rotor I.D.:
Stud Diameter:
Stud Length:
Thread Pitch:
Centerline of Holes:
Sold in Quantity:
Includes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.
Rotor Material Type:
Cast Iron


Easily installs 11" Ford/Mopar rotors and 1969-1977 midsize GM single piston calipers to your 1937-1948 Ford passenger car spindles. No machine work needed. Great for street rods based on 1932-1948 Fords, however, these kits are much too large and heavy for a T-bucket or an early roadster.

Not for use with bolt-on steering arms.

Note: Some applications may require you to purchase item (617-8562) with this kit.

910-31940 Instructions (PDF)

Item Details

'11" Ford/Mopar rotor and ''69-''77 GM caliper to early Ford spindles'


  1. Designed to work on 1937-48 Ford spindles that have the cast on steering arms. It will not function correctly when used on a spindle that uses bolt on steering arms and would require alteration. 
  2. Has the common Ford-Mopar 5 on 4 ½” bolt pattern and is also avaialble with the Chevy 5 on 4 ¾” bolt pattern under kit number 910-31941
  3. Uses an inner bearing and seal adapter to increase the O.D. for the larger bearings and seals used in the kit.
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.
  • 11 Inch Mopar-Ford Brake Rotor
    Qty x 2
  • Speedway Soft Street Organic Brake Pads GM Mid-Size 1969-1977
    Qty x 1
  • Speedway GM Brake Caliper Slider Slide Bolt
    Qty x 4
  • IMCA 1969-77 Midsize Standard Stock GM Caliper, RH
    Qty x 1
  • IMCA 1969-77 Midsize Standard Stock GM Caliper, LH
    Qty x 1
  • Cone-Outer Whl Bearing
    Qty x 2
  • Basic Disc Brake Kit, 1969-77 GM Caliper to Ford Spindle, 5 on 4-1/2In
    Qty x 1
  • Dorman Products 13975 Wheel Hub Dust Cap for 91031065 Mopar/Ford Rotor
    Qty x 1
  • Rubber Brake Line Hose Set for 7/16 Inch-20 Calipers
    Qty x 1
  • 7/16 Inch Crush Washers 5/Pk
    Qty x 1
  • Speedway Removable Brake Line Retaining Tab for Rubber Hose
    Qty x 1
  • 1937-1948 Ford Spindle Castle Nuts
    Qty x 1

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