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$429.99
GM 10 & 12 Bolt Bolt-On Rear Disc Brake Kit w/ E-Brake
GM 10 & 12 Bolt Bolt-On Rear Disc Brake Kit w/ E-Brake
GM 7.5" 10-Bolt, GM 8.2" 10-Bolt Chevy 64-72, GM 8.5" 10-Bolt, GM 8.875" 12-Bolt Car, Natural
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GM 10 & 12 Bolt Bolt-On Rear Disc Brake Kit w/ E-Brake
Part # 91031924
$429.99
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Details
Position:
Rear
Bolt Pattern:
Dual: 5 on 4.5" | 4.75"
Rotor Diameter:
11.25 Inch
Rotor Type:
Vented
Caliper Pistons:
Single
Caliper Finish:
Natural
Parking Brake Provision:
Yes
MFG. Part #:
91031924
Rotor Thickness:
1.00"
Rotor Shape:
Round
Hardware Included:
Yes
Sold in Quantity:
Kit
Notes:
Includes rotors, calipers, pads, hardware, and caliper brackets.
Info
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.
910-31924 Instructions (PDF)
Caliper Adjustment Instructions (PDF)
For more details and installation photos, see this article in Super Chevy magazine.
Application
This kit will fit 10 & 12 Bolt rear ends from:
- Chevelles
- Camaros
- Novas
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.
Some parts are not legal for use in California or other states with similar laws/regulations
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.
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1978-Up GM Metric Emergency Brake Caliper, LH, 5.45 Mount BoltsPart # 91031046-LQty x 1
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1978-Up GM Metric Emergency Brake Caliper, RH, 5.45 Mount BoltsPart # 91031046-RQty x 1
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Speedway Replacement 11-1/4 Inch Rear Brake RotorPart # 91031039Qty x 2
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Caliper Brackets - GM 10 & 12 Bolt Bolt OnPart # 91031983Qty x 1
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Caliper Bolt Kit - 910-31983Part # 91031983-2Qty x 1
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Reviews
Q & A
Videos
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After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!
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Tim talks about the options we have for early Ford drum brakes.