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$299.99
GM 7.5 Inch 10 Bolt Bolt-On Rear Brake Kit
GM 7.5 Inch 10 Bolt Bolt-On Rear Brake Kit
GM 7.5" 10-Bolt, Rear Position, 5 on 4.75" Bolt Pattern, 11.63 Inch Rotor Diameter, Natural
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GM 7.5 Inch 10 Bolt Bolt-On Rear Brake Kit
Part # 91031923
$299.99
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Details
Position:
Rear
Bolt Pattern:
5 on 4.75"
Rotor Diameter:
11.63 Inch
Rotor Type:
Vented
Caliper Pistons:
Single
Caliper Finish:
Natural
MFG. Part #:
91031923
Rotor Thickness:
.78"
Rotor Shape:
Round
Rotor I.D.:
2.78"
Rotor Backspace:
1.75"
Finish:
Natural
Hardware Included:
Yes
Sold in Quantity:
Kit
Notes:
Includes rotors, calipers, caliper brackets, brake pads, rotor spacers, and hardware.
Rotor Material Type:
Cast Iron
Info
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"Â O.D.
- 2.872" rotor center hole
- Requires a minimum 14-5/8"Â I.D. for caliper clearanceÂ
- Brake calipers feature 7/16"-20 inlet thread
910-31923 Instructions (PDF)
Item Details
With Non-Emergency Brake Calipers
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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Replacement 11-5/8 Rear Brake Rotor for GMPart # 91031043Qty x 2
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7.5" GM Bracket Bolt KitPart # 91031923-2Qty x 1
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Brake Pad SPCR-Metric with .980Part # 91041909Qty x 2
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7.5" GM Rear Caliper BracketsPart # 91031928-1Qty x 1
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IMCA Approved 1978-88 GM Metric LH Brake Caliper, 7/16-20 InletPart # 91031045-LQty x 1
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IMCA Approved 1978-88 GM Metric RH Brake Caliper, 7/16-20 InletPart # 91031045-RQty x 1
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Speedway GM Brake Caliper Slider Slide BoltPart # 8352300542Qty x 4
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Speedway Soft Street Brake Pads, GM Metric 1978-UPPart # 9193381Qty x 1
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Reviews
Q & A
Videos & Articles
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We get a lot of questions about brake kits so Tim gives a brief overview of disc brake setups.
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Tim talks about the options we have for early Ford drum brakes.
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Learn MoreIn this Tech Tip, a customer asked about finding a set of disc brakes for his 1949 Ford F1 pickup, with one caveat. He wants to use the factory wheels.
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Learn MoreSpeedway Tech Zach R. talks about the dropped spindles and disc brake conversion he installed on his '55 Sedan Delivery.