#91031924
GM 10 & 12 Bolt Bolt-On Rear Disc Brake Kit w/ E-Brake
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Speedway Motors12 Reviews
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24 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 10 and 12 bolt rear ends in mid size cars. Will not fit full size cars, pickups, or 7.5" 10 bolt axles
- Includes two bolt-on caliper brackets, two vented rotors, two new GM E- brake calipers and hardware
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Product Summary
GM 8.2 Inch 10-Bolt BOP, Rear Position, Natural
- 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 10 and 12 bolt rear ends in mid size cars. Will not fit full size cars, pickups, or 7.5" 10 bolt axles
- Includes two bolt-on caliper brackets, two vented rotors, two new GM E- brake calipers and hardware
- Rotors have both 5 on 4-1/2" and 5 on 4-3/4" to accommodate a variety of wheels
- 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 | Dual: 5 on 4.5" | 4.75" |
Rotor Diameter | 11.25 Inch |
Rotor Type | Vented |
Caliper Pistons | One |
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Speedway Motors 91031924 Details
If you dont want to spend an arm and a leg on a rear disc brake kit and still have to weld the bracket on, weve got you covered. This complete kit includes two bolt-on caliper brackets, two 11-1/4" vented rotors, two GM emergency brake style calipers, brake pads and hardware.
- Rotors have both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
- Fits axle with a maximum flange diameter of 6-1/4" O.D.
- 2.780" rotor center hole
- Includes emergency brake calipers
- Does not fit all 10 & 12 bolt axles - check Applications for details
- Requires 15" and larger wheels as 14" and smaller wheels will not clear application.
For more details and installation photos, see this article in Super Chevy magazine.
Application
This kit will fit 10 & 12 Bolt (non-staggered shock) rear ends from:
- 1964-77 Buick Skylark
- 1964-73 Chevy Chevelle
- 1964-79 Chevy Nova/Chevy II
- 1964-77 Chevy El Camino
- 1967 Camaro
- 1970-77 Chevy Monte Carlo
- 1964-71 Oldsmobile 442
- 1964-77 Oldsmobile Cutlass
- 1964-73 Pontiac GTO
- 1964-77 Pontiac LeMans
- 1964-70 Pontiac Tempest
The housing flange must have:
- 3-1/8" center-to-center distance for the top two bolt holes
- 2-11/16" center-to-center distance for the bottom two bolt holes
- 2-7/16" distance from the center of the top bolt to the center of the bottom bolt
- Axle Flange Identification Chart (GIF)
This kit requires 15" and larger wheels.
Note: This disc brake kit does NOT fit all 10 & 12 bolt rear axles. It does NOT fit full size car (Biscayne, Bel Air, Impala) or pickup rear axles. Kit does not clear 14" and smaller wheels. This kit does NOT work with staggered shock rear axle configurations as both calipers are positioned to the rear of the housing with this conversion brake kit.
Charts
Speedway Motors 91031924 Specifications
Speedway Motors 91031924 Specifications
KEY SPECS | |
---|---|
MFG. Part # | 91031924 |
Brand | Speedway Motors |
Position | Rear |
Bolt Pattern | Dual: 5 on 4.5" | 4.75" |
Rotor Diameter | 11.25 Inch |
Rotor Type | Vented |
Caliper Pistons | One |
Caliper Finish | Natural |
Color | Natural |
Parking Brake Provision | Yes |
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 | 1.00" |
Sold in Quantity | Kit |
Notes | Includes rotors, calipers, pads, hardware, and caliper brackets. |