Product Summary

Ford 9 Inch, Steel, Zinc Plated

  • Blemished
  • Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information
  • Disc brake kit allows you to bolt 1978 and up GM Metric disc brakes on your Ford 9" rear end
  • Includes caliper brackets, adapter plates, spacer plates, and spacers
  • Very versatile kit fits both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
  • For 15" and larger wheel applications ONLY
  • This kit will NOT work on pickup housings or the 50's 9" housings as they only have about 2" backspace
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Key Specs

MFG. Part #91031981
BrandSpeedway Motors
Garage Sale TypeBlemished
Material TypeSteel
FinishZinc Plated
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Need To Know

Ineligible for Return

Contains items that cannot be returned

Speedway Motors 91031981 Details

Garage Sale Product

This is Garage Sale priced due to cosmetic imperfections. The item functions as originally intended but is discounted due to the blemishes. The photos above will show the imperfections.

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

Allows you to bolt '78 an Up GM Metric disc brakes on Ford 9" rearend.

  • Fits both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
  • For Ford passenger car axles ONLY 
  • Fits axle with maximum flange diameter of 6-1/4" O.D.
  • For 15" and larger wheel applications ONLY

Includes:

  • 2 Caliper brackets
  • 2 Adapter plates
  • 2 Spacer plates
  • 4 5/16" spacers
  • 4 1/8" spacers

Note:  This bolt on brake kit is designed to be used with big bearing 9" housings using 3/8" retaining bolts.  If you want to use it on a 9" housing with 1/2" bolts, you will need to use the 3/8" hardware to do so.  Fits "old" and "new" style big bearing (3.150" bearing O.D.) Ford housings and with axle offsets of a minimum 2-3/8" to 2-1/2".

Application

  • "Old-style" big bearing 9" Ford axle
  • "New-style" big bearing 9" Ford axle
  • Axle housings with minimum axle offsets of 2-3/8" to 2-1/2"


Note: This kit will NOT work on pickup housings or the 50's 9" housings as they only have about 2" backspace. The exception would be the late 50's station wagon rear ends.

Charts

Speedway Motors 91031981 Specifications

KEY SPECS
MFG. Part #91031981
BrandSpeedway Motors
Garage Sale TypeBlemished
Material TypeSteel
FinishZinc Plated
GENERAL
Hardware IncludedNo
Sold in QuantitySet
NotesIncludes caliper brackets, adapter plates, spacer plates, and spacers.

Questions & Answers

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