Product Summary

Rear Position, 12.19 Inch Rotor Diameter, Anodized

  • Wilwood, dynapro caliper
  • Two brake pads
  • Axle clamp with bolts
  • Choice of Speedway rotor
  • Solid mount

Comes as a Kit

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Key Specs

MFG. Part #91031980
PositionRear
Rotor Diameter12.19 Inch
Rotor TypeVented
Caliper PistonsFour
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91031980 Details

Get the hot new Wilwood NDL caliper, 2 brake bads, axle clamp with bolts and Speedways solid mount, drilled 12.19" x .810" iron rotor.

Components available separately.

Item Details

w/drilled .810 iron rotors

Speedway Motors 91031980 Specifications

KEY SPECS
MFG. Part #91031980
BrandSpeedway Motors
PositionRear
Rotor Diameter12.19 Inch
Rotor TypeVented
Caliper PistonsFour
Caliper FinishAnodized
Parking Brake ProvisionNo
Rotor ShapeScalloped
Hardware IncludedYes
Rotor StyleDrilled
Front Rotor IncludedNo
Front Rotor Diameter12.19 in./309.63mm
Front Caliper IncludedNo
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedYes
Rear Rotor IncludedYes
FinishNatural
Rotor Hat Bolt Pattern8 x 7.00"
ColorGray
Spline Count46
Spline OD2.95"
Bolt Pattern8 on 7"
GENERAL
Sold in QuantityKit
NotesIncludes rotor, caliper, inboard clamp, pads, and bolts.
Rotor Thickness0.81"
Centerline of Holes3.5"
Rotor Material TypeCast Iron
Spline Length1.75"

Ratings & Reviews

4.3

3 Reviews

Overall Assessment

Customers value our product for its quality and practicality. The kits are appreciated for their reasonableness and application on multiple cars, demonstrating their usability. Customers also found the caliper and rotor to be decent, though there were concerned about the clamp's fit and usability. Despite a few fitting issues, the consensus is positive, with our product outperforming competitors in value and quality.

4.3

3 reviews

5

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4

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3

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Very nice kit

5.0

5 years ago

FISH

Eureka, Ca

Verified

Used on the rear end of a sprint car. Very nice kit for very reasonable

Would Recommend

We love these

5.0

9 years ago

Big Paul

Springfield, Illinois

Verified

We have two of these, one on each car.

Would Recommend

Caliper and rotor seem decent, but the clamp didn't work.

3.0

10 years ago

Burdman

Sonora ca

Verified

The clamp doesn't fit the splines, my old clamp slides on and off nice, so I ended up re using it. There was no paper showing how clamp bolts to rotor in witch direction. I had to try it 10 different ways and it wouldn't slide on anyways.

Would Not Recommend

Showing 3 of 3 reviews

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