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#91031943D
$450.99
/kit
In Stock
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Front Position, 11 Inch Rotor Diameter, Natural
Comes as a Kit
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| MFG. Part # | 91031943D |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x120.65 mm |
| Rotor Diameter | 11 Inch |
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855.313.9176Quick and Easy Returns
Return PolicyBringing economy to performance, this brake kit offers drilled and slotted rotors for a $25 upgrade over our standard kits. Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to 11" rotors with powerful single piston GM midsize floating calipers. Kit requires no machining. For use on 1974-1980 Pinto, Bobcat and Mustang II factory spindles.
GM bolt pattern 5 on 4-3/4" (increases track width 1" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.
Charts
910-31943D Instructions (PDF)
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031943D |
| Brand | Speedway Motors |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x120.65 mm |
| Rotor Diameter | 11 Inch |
| Rotor Type | Vented |
| Caliper Pistons | Two |
| Caliper Finish | Natural |
| Parking Brake Provision | No |
| Minimum Recommended Wheel Diameter | 15 Inch |
| Rotor Shape | Round |
| Hardware Included | Yes |
| Rotor Style | Drilled & Slotted |
| Front Rotor Included | Yes |
| Front Rotor Diameter | 11 Inch |
| Front Caliper Included | Yes |
| Rear Caliper Included | No |
| Front Spindles Included | No |
| Master Cylinder Included | No |
| Brake Booster Included | No |
| Brake Hoses Included | Yes |
| Rear Rotor Included | No |
| Bolt Pattern | 5 on 4.75" |
| Color | Natural |
| Front Caliper Finish | Natural |
| Front Caliper Piston Quantity | Two |
| GENERAL | |
| Sold in Quantity | Kit |
| Rotor Thickness | 1.05" |
| Stud Diameter | 0.44" |
| Stud Length | 0.8" |
4.5
8 Reviews
Customers affirm that our product exhibits great utility and quality, fitting perfectly once the sleeve is removed. They value its versatility, as it successfully adapts to various models like '35 Chevy with mustang 2 15' wheels, and a '46 Chev Truck. Though longer studs and installing new races for bearings required additional effort, it still performs well, upgrading 9in brakes to 11in. The product offers significant improvements over rival offerings, thus most customers willing to recommend it.
4.5
8 reviews
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Couldn't be happier.
5.0
a year ago
T82
MS
Verified
Installed this on a '32 for my son. Worked great! Nice kit.
Would Recommend
I would by again
5.0
5 years ago
Harry chief wrench turner
Effort Pa
Verified
sleeve not needed in the calipers, had to call to find out why they didn't fit..remove sleeve fit perfect
Would Recommend
I would buy this again.
4.0
5 years ago
Todd
Clemmons nc
Verified
Overall this kit had what I needed to get the job done. Well made
Yes
5.0
5 years ago
Htwheels
Phoenix, AZ
Verified
35 Chevy with mustang 2 15" wheels wanted bigger brakes
Would Recommend
Great quality
5.0
6 years ago
George
Dawsonville, Ga
Verified
Great for my 1946 Chev Truck
Would Recommend
The studs were too short
3.0
6 years ago
Steve
Atlanta, GA
Verified
Studs had to be replaced with longer ones and then had to take the rotors to a machine shop to remove the GM bearing races to install the Ford bearing races!
Would Not Recommend
Good so far!
5.0
6 years ago
Skip
Mt vernon, ohio
Verified
Looks like a good system, but having to rmove and install new races for bearings was a pain
I would recommend this product to anyone
4.0
7 years ago
No Name 37
Denver Colo.
Verified
Replaced 9in brakes to 11in seems to be working better but time will tell.
Would Recommend
Showing 8 of 8 reviews
5 Questions • 5 Answers
I have purchased this kit and have it installed. But i was wondering what replacement pads to use when that time comes. Also, what dust shield, either aftermarket or from a donor, would you recommend for this kit?
by GNicho
• 4 years ago
1 answer
View Answer
What is the smallest rim size I could run with this kit?
by Rachel
• 7 years ago
1 answer
View Answer
Do you offer the kit with 5x4.75 pattern but with 1/2 20 wheel studs
by Justa4banger
• 7 years ago
1 answer
View Answer
Is this kit available with 5 on 4 1/2 in bolt pattern? Thanks
by Andrew Namminga
• 8 years ago
1 answer
View Answer
does this kit fit speedway mustang 2 drop spindles ?
by Doug
• 8 years ago
1 answer
View Answer
5 of 5 questions shown
1974-1978 Ford Mustang II
1974-1980 Ford Pinto
1975-1980 Mercury Bobcat
