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Wilwood 140-7140 Rear Disc Brake Kit, Big Ford 9 Inch New 2-1/2 Offset

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Specs
Sold in Quantity:
Kit
Caliper Pistons:
Four
Minimum Recommended Wheel Diameter:
15 Inch
Rotor Construction:
Vented
Bolt Pattern:
Multi: 5 on 5"/4.75"/4.50"
Caliper Finish:
Anodized
Rotor Location:
Rear
Rotor Shape:
Round
Rotor Diameter:
12.19
MFG. Part #:
140-7140
Hardware Included:
Yes
Parking Brake Provision:
Yes
Drilled:
No
Slotted:
No
Rotor Thickness:
.81
Notes
Includes rotors, calipers, pads, hardware, and parking brake assemblies.
Wilwood 140-7140 Rear Disc Brake Kit, Big Ford 9 Inch New 2-1/2 Offset

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Details

Reviews (2)

Q & A (2)

What's in the Box

Info

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

835-1407140 Instructions (PDF)

Axle Flange Identification Chart  (GIF)

Item Details

Big Ford, new style, 2-1/2" offset
Includes Emergency Brake

Notes

Note:  Kit fits some 15" wheels. Check wheel clearance diagram in kit installation instructions before purchase.

Customer Reviews

Rated 5 out of 5 by 2 reviewers.
RATING BREAKDOWN
2 reviews
5 Stars
2
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

Don C
Verified Purchaser
Verified Reviewer
Port Orange, Fl.

Wilwood 140-7140 Rear Disc Brake Kit, Big Ford 9 Inch New 2-

April 01, 2016
Great product and great service from Speedway motors
Pros:
  • Very Good Instructions
  • Fit Without Any Problems
Yes, I recommend this product.
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Was this review helpful? 0 0

Cooter
Pennsylvania, USA

Nice Brake kit, I needed to do some mach

May 08, 2013
Bought this brake kit with emergency brake because an emergency brake is always a good thing. And because Pennsylvania requires it in a street rod. My 9inch ford has a 2 1/2" offset and, I double checked it.... Put it all together all went easy and smooth. Last piece i tried installing was the caliper. And it rubs the outside of rotor. There is a spacer under the caliper bracket held on by 3 bolts. I removed it and had 1/8" shaved off of it. Then with using the spacers provided with the kit i got the caliper lined up where it should be. Rotor right in the center. Thanks Speedway and Wilwood Disc Brakes.
Pros:
  • Easy To Install
Cons:
  • needed to machine a spacer
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

2 questions : 2 answers

1 answers

what flexible brake line should I use for the caliper

REDSCHEVY
Illinois
December 09, 2014

what flexible brake line should I use for the caliper

Answers

December 10, 2014
EricM
Brake line kit 8352209886 would work well with this kit.
1 answers

We have a 8" ford rear-end with a 2.5" offset and small bearings, wich kit should we order?

June 19, 2011

We have a 8" ford rear-end with a 2.5" offset and small bearings, wich kit should we order?

Answers

June 21, 2011
John
This Wilwood kit is designed for the Big Ford with 2.5” offset and bolts to the housing flange with vertical center to center pattern of 2.00” and horizontal pattern front to rear of 3.562”. It will work on 8” with same qualifications and if still in question you may want to call Wilwood direct at 805-388-1188. We also offer our E brake caliper bolt on brake kit applicable to the 8” and 9” Ford rear ends under part number 91031921.
Page 1 of 1

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