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#91031975
Inboard Sprint Car Brake Kit
- Medium friction compound with the low noise and low dust of a street performance compound
- Increased friction characteristics of a semi-metallic race compound
- Good low to middle temperature wear rates
$514.99
/kit
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Product Summary
Rear Position, 12.19 Inch Rotor Diameter, Anodized
- Medium friction compound with the low noise and low dust of a street performance compound
- Increased friction characteristics of a semi-metallic race compound
- Good low to middle temperature wear rates
- 32 Vane scalloped cast iron brake rotors
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91031975 |
| Position | Rear |
| Rotor Diameter | 12.19 Inch |
| Rotor Type | Vented |
| Caliper Pistons | Four |
Need To Know
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Return PolicySpeedway Motors 91031975 Details
Speedway Motors 91031975 Details
Get the hot new Wilwood NDL caliper, 2 brake bads, axle clamp with bolts and Speedways solid mount 12.19" x .35" steel rotor.
Components available separately.
Brake Pads-
Replacement brake pads for your Wilwood NDL or Dynalite calipers (or comparable Ultra Lite calipers).
- Width 4.00"
- Medium friction compound with the low noise and low dust of a street performance compound and the increased friction characteristics of a semi-metallic race compound
- Good low to middle temperature wear rates
- Formulation specific for use with Polymetallic coated rotors
Pads will fit:
- Wilwood Billet NDL calipers
- Wilwood Forged NDL calipers
- Wilwood Dynalite calipers w/ Bridge Bolt
- Ultra Lite UL-237
Tech Tip: Only use full metallic pads on ceramic coated rotors.
Learn how to properly Bed-In your brake pads by reading our tech article. Bedding-In Brake Pad Procedure.
Item Details
.490" thickness
Wilwood # 150-9136K
Single pad
Rotors-
Speedways premium 32 Vane scalloped cast iron brake rotors weigh only 6.13 lbs. 12.19" x .81", 8 on 7 thru.
Item Details
0.81 X 12.19
8 x 7" B.C.
Speedway Motors 91031975 Specifications
Speedway Motors 91031975 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031975 |
| Brand | Speedway Motors |
| Position | Rear |
| Rotor Diameter | 12.19 Inch |
| Rotor Type | Vented |
| Caliper Pistons | Four |
| Caliper Finish | Anodized |
| Color | Black |
| Parking Brake Provision | No |
| Rotor Shape | Scalloped |
| 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 |
| Spline Count | 46 |
| Spline OD | 2.95" |
| Bolt Pattern | 8 on 7" |
| GENERAL | |
| Sold in Quantity | Kit |
| Notes | Includes rotor, caliper, inboard clamp, pads, and bolts. |
| Rotor Hat Bolt Pattern | 8 x 7.00" |
| Rotor Thickness | 0.81" |
| Centerline of Holes | 3.5" |
| Finish | Natural |
| Rotor Material Type | Cast Iron |
| Spline Length | 1.75" |
Ratings & Reviews
4.7
3 Reviews
Customers commend the caliper's quality and compatibility with existing set-ups, positively reinforced by the option to utilize ports on both sides with an additional brake line kit. The complete brake kit stands out for its practicality and convenience with all essential components included, adding simplicity to installation processes. The kit's high-quality and cost-effectiveness also receive positive reviews, with users noting significant value in the assembled package. A consistent preference over competitor products resonates through reviews, pointing towards excellent client satisfaction.
Ratings & Reviews
4.7
3 Reviews
Customers commend the caliper's quality and compatibility with existing set-ups, positively reinforced by the option to utilize ports on both sides with an additional brake line kit. The complete brake kit stands out for its practicality and convenience with all essential components included, adding simplicity to installation processes. The kit's high-quality and cost-effectiveness also receive positive reviews, with users noting significant value in the assembled package. A consistent preference over competitor products resonates through reviews, pointing towards excellent client satisfaction.
4.7
3 reviews
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Filter by Ratings
Great inboard kit on a sprint car
5.0
4 months ago
Red
Colorado
Verified
Great kit, everything i needed for the sprint car
Would Recommend
Nice caliper
4.0
4 years ago
B-Dub
ND
Verified
Really nice caliper, I didn't use the rotor, my floating rotor fit perfectly with the caliper. I gave it 4 stars because I ended up having to buy the even flow brake line kit to utilize the ports on both sides of the caliper.
Would Recommend
Great brake kit for quick change rear en
5.0
13 years ago
Codi
New Zealand
Use this brake kit for my quick change rear end, it's a great to have all the components in one kit like this makes life much easier. All parts are of great quality and price.
Would Recommend
Showing 3 of 3 reviews