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#91031950
Mustang II Complete 11 In Front Disc Brake Kit, 5 on 4-3/4, Granada
- Upgrade your Mustang II from the stock 9 1/4" rotors to 11" rotors with powerful single piston floating caliper
- Simple bolt-on conversion includes instructions & requires NO machining
- For use on '74-'80 Pinto or Bobcat and '74-'78 Mustang II spindles
$387.99
/kit
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Product Summary
Front Position, 11 Inch Rotor Diameter, Natural
- Upgrade your Mustang II from the stock 9 1/4" rotors to 11" rotors with powerful single piston floating caliper
- Simple bolt-on conversion includes instructions & requires NO machining
- For use on '74-'80 Pinto or Bobcat and '74-'78 Mustang II spindles
- Complete kit includes new rotors, calipers, rubber brake hoses, brackets, bearings, seals, pads and hardware
- GM bolt pattern 5 on 4-3/4" (increases track width 1/2" per side)
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91031950 |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x120.65 mm |
| Rotor Diameter | 11 Inch |
Need To Know
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Speedway Motors 91031950 Details
- GM bolt pattern 5 on 4-3/4" (increases track width 1/2" per side)
- Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers
- Granada style rotors
Charts
Speedway Motors 91031950 Specifications
Speedway Motors 91031950 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031950 |
| 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 | One |
| Caliper Finish | Natural |
| Parking Brake Provision | No |
| Minimum Recommended Wheel Diameter | 15 Inch |
| Rotor Shape | Round |
| Hardware Included | Yes |
| Rotor Style | Plain Face |
| 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" |
| Finish | Natural |
| Color | Natural |
| Front Caliper Finish | Natural |
| Front Caliper Piston Quantity | 1 |
| GENERAL | |
| Rotor Thickness | 0.88" |
| Stud Diameter | 0.43" |
| Stud Length | 0.88" |
| Centerline of Holes | 5.5" |
| Rotor Material Type | Cast Iron |
Ratings & Reviews
4.8
22 Reviews
Customers appreciate the product for its quality, easy installation and accurate fit. Its compatibility with GM bolt patterns and use on various car models like Chevy and Ford was highly noted. Users stated that the system improves braking, effectively upgrading from previous setups. Some customers also highlighted minor issues like the need for slight modifications during install and smaller cotter pin size but overall, they expressed satisfaction and intent to repurchase. Comparing it with competitors, customers deemed it a good value for money, even favorably mentioning the helpfulness of tech support.
Ratings & Reviews
4.8
22 Reviews
Customers appreciate the product for its quality, easy installation and accurate fit. Its compatibility with GM bolt patterns and use on various car models like Chevy and Ford was highly noted. Users stated that the system improves braking, effectively upgrading from previous setups. Some customers also highlighted minor issues like the need for slight modifications during install and smaller cotter pin size but overall, they expressed satisfaction and intent to repurchase. Comparing it with competitors, customers deemed it a good value for money, even favorably mentioning the helpfulness of tech support.
4.8
22 reviews
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Filter by Ratings
Excellent products that works well
5.0
5 months ago
Sneaky Rican
Cincinnati, Ohio
Verified
This front brake kit fits precisely on the Speedway bolt in front suspension MII , eliminating any unnecessary problems
Would Recommend
yes
5.0
6 months ago
JIM
Hartselle Al
Verified
it all fit and worked great
Would Recommend
Mustang II metric disk brake conversion.
5.0
10 months ago
DJ
Navarre, FL.
Verified
Everything fit perfectly.
Would Recommend
I would recommend Speedways brake kits for Hot rods anytime
5.0
a year ago
Chet
VA.
Verified
The kit is a good quality kit and makes the job finished with ease. great for a street rod upgrade.
Would Recommend
yes I would buy again.
4.0
3 years ago
Double D
clearfield utah
Verified
Cotter pin size to small.
Would Recommend
Good fit and easy install
5.0
3 years ago
Craliuga
Big Lake, MN
Verified
Product fit very well and install is very simple and straight forward. Nice that is has the GM bolt pattern to match up with my wheels.
Would Recommend
Great quality
5.0
6 years ago
Scott
San Diego, Ca
Verified
Fit perfectly
Would Recommend
I would buy again
5.0
7 years ago
Bruce
Charleston WV
Verified
Parts fit exactly as described. Shipping was fast.
Would Recommend
excellent product everything fit perfect
5.0
7 years ago
no nickname
plymouth mass 02360
Verified
everthing went well no problems except my own I called text linebecause my brake pedal wouldn't go down stupid me needed to shorten master cycl rod then everthing worked great thanks to tech department for solving any problems with your fit call them they are great thanks again
Would Recommend
Nice product.
5.0
8 years ago
Bill
Salesville Ohio
Verified
Product was as described and accurate..
Would Recommend
Showing 10 of 22 reviews
Questions & Answers
Questions & Answers
5 Questions • 5 Answers
What inner seal do these take?
by Blaine
• a year ago
1 answer
View Answer
I have 14 inch rally rims welded up by a company in Fresno CA years ago. How do I measure the size to determine if your Mustang II Complete 11 In Front Disc Brake Kit, 5 on 4-3/4 will fit these rims?
by Marc
• 8 years ago
1 answer
View Answer
Will this 910-31950 kit work with 14" wheels?
by Rod
• 11 years ago
1 answer
View Answer
, will the 2" drop spindles work with this KIT ? I purchased these spindles at the Shades of the past swap meet from Southern rods and parts, late 90's to early 2000's .They are forged spindles .
by 35OLDS
• 11 years ago
1 answer
View Answer
What is the size of the wheel lugs so that I may order lugnuts?
by 48Anglia
• 12 years ago
1 answer
View Answer
5 of 5 questions shown
Fitment
Fitment
1974-1980 Ford Pinto
1975-1980 Mercury Bobcat