Product Summary

Ford 9 Inch, Rear Position, 12.19 Inch Rotor Diameter

  • There 12.19 Inch rotors will work with 15"-up wheels
  • Kit includes BP-10 Smart pads for a quick response and fade resistance
  • Comes with rotors, calipers, pads, hardware, and parking brake assemblies
  • Rotors are drilled to accept 5 on 4-1/2", 5 on 4-3/4", and 5 on 5" bolt patterns
  • Includes forged billet four-piston calipers that are powder coated black for added corrosion resistance
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Key Specs

MFG. Part #140-7139
PositionRear
Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
Rotor Diameter12.19 Inch
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Wilwood 140-7139 Details

Wilwood Dynalite rear brake kits combine high performance braking, high-tech style, and functional simplicity for rear axle disc brake conversions that require a parking brake. Whether its a simple conversion from drum brakes, or an upgrade to compliment wheels, tires or suspension equipment, these kits have it all.

The emergency brake functions as a drum brake hidden within the mounting hat of the rotor for a clean installation. E-brake cables sold separately. Caliper has a 1/8" NPT inlet.

  • Big 12.19" x .810" one-piece vented rotors
  • Rotors drilled to accept 5 on 4-1/2", 5 on 4-3/4", and 5 on 5" bolt patterns
  • Forged billet four-piston calipers
  • BP-10 Smart pads for a quick response and fade resistance
  • Aluminum mounting brackets
  • Includes all hardware

Item Details

Big Ford, old style, 2.36" offset
Includes Emergency Brake

Charts

Specs

Our rotors are machined and fully e-coated, just like the rotor hats. This is a protectant coating the prohibits surface rust from forming on the exposed surfaces. Once the parts are installed and being bedded in, the brake pad friction and caliper pressure will remove the coating at the spot the brake pads touch. This will expose the silver iron material underneath.

Wilwood 140-7139 Specifications

KEY SPECS
MFG. Part #140-7139
BrandWilwood
PositionRear
Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
Rotor Diameter12.19 Inch
Rotor TypeVented
Caliper PistonsFour
Caliper FinishPowder Coated
Parking Brake ProvisionYes
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Rotor StylePlain Face
Front Rotor IncludedNo
Front Rotor Diameter12.19 Inch
Front Caliper IncludedNo
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedNo
Ford Bearing End StyleBig Ford (Old Style)
Rear Rotor IncludedYes
ColorBlack
Bolt Pattern5 on 4.5" | 4.75"
Front Caliper Piston Quantity4
Front Caliper FinishPowder Coated
GENERAL
Sold in QuantityKit
NotesIncludes rotors, calipers, pads, hardware, and parking brake assemblies.
GTIN Code889545023251
Rotor Thickness0.81"
Axle Flange Offset2.36"
Mount TypeLug

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers have highlighted the easy installation and fine quality of the product, confirming its proper fit and design. Its performance has been widely praised as a superior rear brake upgrade. Notably, it's being recommended by buyers to peers due to its usability and practicality, which sets it apart from other similar products in the market. It's highly appreciated for the material quality, which aligns with the notion of it being an excellent product.

5

3 reviews

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Yes

5.0

a year ago

Car man

Ky

Verified

Fits great. Works like should!

Would Recommend

Easy to install, well designed.

5.0

4 years ago

Io

Ct

Verified

Bolted up to my 9 inch. No issues.

rear brake upgrade

5.0

11 years ago

jwc63

lincoln park mi

excellent product fine quality I will have good comments to every one I talk to. speedway always a great service thank you.

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

7 Questions • 7 Answers

Which wilwood brake lines would you recommend to use with this kit?

by Tanner

• 8 years ago

1 answer

I have a 1965 Ford F100 I want to put disc brakes on front and rear. What do I need to get the job done?

by Can't Stop

• 10 years ago

1 answer

Hey ! it is possible to assemble this kit without disassembling the wheel bearing? If not .... go kit 835-1402115 mounting without disassembling the wheel bearing? Thanks / Michael.

by Micke

• 11 years ago

1 answer

Offset Can I run a 2.36 offset on my big ford old style that has a 2.5 offset?

by 56frustrated

• 11 years ago

1 answer

Where do you get replacement rotors and e-brake shoes?

by JimBeam

• 13 years ago

1 answer

will this kit work with crager 15in wheels? i have 9" ford rear end in this 31 chevy, looking to put disc brakes on rear with e-brake.

by whiskers

• 13 years ago

1 answer

Are these rotors, vented ? Thank you Bob

by Bob

• 15 years ago

1 answer

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Fitment

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