GM 10 & 12 Bolt Bolt-On Rear Disc Brake Kit
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Build Your KitYou're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
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 metric 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
- Does not fit all 10 & 12 bolt axles. Check Application tab for details.
910-31919 Instructions (PDF)
Item DetailsWith non-emergency brake calipers.
This kit will fit 10 & 12 Bolt rear ends from:
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
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.
What's In The KitEach 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.
Speedway GM Brake Caliper Slider Slide BoltPart # 8352300542Qty x 4
IMCA 1978-1988 GM Metric Caliper, LH Left Hand, 7/16-20 Inlet, RacingPart # 91031045-LQty x 1
IMCA 1978-1988 GM Metric Caliper, Right Hand, 7/16-20 Inlet, RacingPart # 91031045-RQty x 1
Speedway 156 1978-Up GM Metric Brake PadsPart # 9191562Qty x 2
Caliper Brackets - GM 10 & 12 Bolt Bolt OnPart # 91031983Qty x 1
Caliper Bolt Kit - 910-31983Part # 91031983-2Qty x 1
Speedway Replacement 11-1/4 Inch Rear Brake RotorPart # 91031039Qty x 2
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