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#91031923
GM 7.5 Inch 10 Bolt Bolt-On Rear Brake Kit
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23 Questions
- If you don't want to spend an arm and a leg on a rear disc brake kit but want the ease of a bolt on system then this is the kit for you!
- Fits GM 7.5" 10 bolt rear ends such as found in 1978 to 1988 G body cars
- Includes two bolt-on caliper brackets, two vented rotors, two new GM metric calipers and hardware
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$332.99
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$360.99
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Product Summary
GM 7.5 Inch 10-Bolt, Rear Position, Vented Rotor Type
- If you don't want to spend an arm and a leg on a rear disc brake kit but want the ease of a bolt on system then this is the kit for you!
- Fits GM 7.5" 10 bolt rear ends such as found in 1978 to 1988 G body cars
- Includes two bolt-on caliper brackets, two vented rotors, two new GM metric calipers and hardware
- Rotors have 5 on 4-3/4" BOLT PATTERN
- Fits axle with a maximum flange diameter of 6-1/4" OD and brake register size of 2.78" or smaller
Comes as a Kit
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Key Specs
| Position | Rear |
| Bolt Pattern | 5 on 4.75" |
| Rotor Diameter | 11.25 Inch |
| Rotor Type | Vented |
| Caliper Pistons | One |
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Speedway Motors 91031923 Details
If you dont want to spend and arm and a leg on a rear disc brake kit and still have to weld the bracket on, weve got you covered. This kit includes two bolt-on caliper brackets, two 11-5/8" vented rotors, two GM metric style calipers, brake pads and hardware.
- 5 on 4-3/4" bolt circle
- Fits over an axle with a maximum flange diameter of 6" O.D.
- 2.872" rotor center hole
- Requires a minimum 14-5/8" I.D. for caliper clearance
- Brake calipers feature 7/16"-20 inlet thread
Item Details
With Non-Emergency Brake Calipers
Charts
910-31923 Instructions (PDF)
Speedway Motors 91031923 Specifications
Speedway Motors 91031923 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031923 |
| Brand | Speedway Motors |
| Position | Rear |
| Bolt Pattern | 5 on 4.75" |
| Rotor Diameter | 11.25 Inch |
| Rotor Type | Vented |
| Caliper Pistons | One |
| Caliper Finish | Natural |
| Color | Natural |
| Parking Brake Provision | No |
| Rotor Shape | Round |
| Hardware Included | Yes |
| Front Rotor Included | No |
| Front Caliper Included | No |
| Rear Caliper Included | Yes |
| Front Spindles Included | No |
| Master Cylinder Included | No |
| Brake Booster Included | No |
| Rear Rotor Included | Yes |
| GENERAL | |
| Rotor Thickness | .78" |
| Rotor I.D. | 2.78" |
| Rotor Backspace | 1.75" |
| Finish | Natural |
| Sold in Quantity | Kit |
| Notes | Includes rotors, calipers, caliper brackets, brake pads, rotor spacers, and hardware. |
| Rotor Material Type | Cast Iron |