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#91032003
11 Inch Disc Brake Conversion Kit, 49-53 Ford, 52-53 Mercury Cars
- Fits 1949-53 Ford / 1952-53 Mercury Applications
- This kit is designed to work with your stock wheels (15" and larger)
- Features 11" cast iron rotors, loaded metric calipers, slide bolts, brake hoses, crush washers, dust caps, and all seals, bearings, & hardware
$417.99
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Product Summary
Front Position, 11 Inch Rotor Diameter, Natural
- Fits 1949-53 Ford / 1952-53 Mercury Applications
- This kit is designed to work with your stock wheels (15" and larger)
- Features 11" cast iron rotors, loaded metric calipers, slide bolts, brake hoses, crush washers, dust caps, and all seals, bearings, & hardware
- This kit is an aftermarket solution. It is not intended to be a direct installation or OEM replacement
- Comes with detailed instructions to provide a painless installation
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91032003 |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.5 in. |
| Wheel Bolt Pattern (mm) | 5x114.3 mm |
| Rotor Diameter | 11 Inch |
Need To Know
Need help?
855.313.9176Quick and Easy Returns
Return PolicySpeedway Motors 91032003 Details
Speedway Motors 91032003 Details
Installation Instructions (PDF)
Brake System Builder's Tip (JPG)
Brake Pad Brand Guide (JPG)
Learn how to properly Bed-In your brake pads by reading our tech article. Bedding-In Brake Pad Procedure.
Application
1949 Ford Custom Tudor, Fordor Coupe & Convertible
1949 Ford Deluxe Tudor, Fordor Coupe & Convertible
1950 Ford Country Squire All
1950 Ford Crestline All
1950 Ford Crestliner All
1950 Ford Custom Tudor, Fordor Coupe & Convertible
1950 Ford Deluxe Tudor, Fordor Coupe & Convertible
1951 Ford Country Squire All
1951 Ford Crestline All
1951 Ford Custom Tudor, Fordor Coupe & Convertible
1951 Ford Deluxe Tudor, Fordor Coupe & Convertible
1951 Ford Victoria All
1952 Ford Country Squire All
1952 Ford Crestline Tudor, Fordor & Coupe
1952 Ford Crestline Victoria All
1952 Ford Mainline Tudor, Fordor & Coupe
1952 Ford Sunliner All
1952 Mercury Custom All
1952 Mercury Monterey All
1953 Ford Crestline Tudor, Fordor Coupe, Convertible & Wagon
1953 Ford Customline Tudor, Fordor Coupe, Convertible & Wagon
1953 Ford Mainline Tudor, Fordor Coupe, Convertible & Wagon
1953 Ford Victoria All
1953 Mercury Custom All
1953 Mercury Monterey All
Charts
Installation Instructions (PDF)
Brake System Builder's Tip (JPG)
Brake Pad Brand Guide (JPG)
Learn how to properly Bed-In your brake pads by reading our tech article. Bedding-In Brake Pad Procedure.
Speedway Motors 91032003 Specifications
Speedway Motors 91032003 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91032003 |
| Brand | Speedway Motors |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.5 in. |
| Wheel Bolt Pattern (mm) | 5x114.3 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 |
| Spindle Type | Ford |
| 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 4.5" |
| Color | Natural |
| Front Caliper Finish | Natural |
| Front Caliper Piston Quantity | 1 |
| GENERAL | |
| Sold in Quantity | Kit |
| Bore Size | 2.38" |
| Rotor Drum I.D. | 6.25" |
| Rotor Thickness | 0.88" |
| Rotor I.D. | 2.61" |
| Stud Diameter | 0.5" |
| Stud Length | 1.29" |
| Thread Pitch | 1/2"-20 |
| Rotor Finish | Natural |
| Rotor Material Type | Cast Iron |
| Brake Hose Material | Rubber |
| Bolt Hole Pattern | 5x4-1/2 |
Ratings & Reviews
4.8
18 Reviews
Customers appreciate the substantial improvement our product brings to vehicle stopping power. This disc brake conversion kit delivers on practicality and usability with clear, easy-to-follow instructions. Users have observed a dramatic improvement in braking after installation. However, some users faced a minor issue regarding caliper pins, easily resolved by obtaining new pins at a parts store. Bracket spacers may require modification for proper fit. The overall consensus reflects positively on our product, with customers complimenting its functionality and fit, as well as its significant enhancement to driving safety.
Ratings & Reviews
4.8
18 Reviews
Customers appreciate the substantial improvement our product brings to vehicle stopping power. This disc brake conversion kit delivers on practicality and usability with clear, easy-to-follow instructions. Users have observed a dramatic improvement in braking after installation. However, some users faced a minor issue regarding caliper pins, easily resolved by obtaining new pins at a parts store. Bracket spacers may require modification for proper fit. The overall consensus reflects positively on our product, with customers complimenting its functionality and fit, as well as its significant enhancement to driving safety.
4.8
18 reviews
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Great swap kit, everything you need.
5.0
a month ago
Mike
Elko, NV
Verified
Easy install, perfect fit for the 51 Ford Custom
Would Recommend
Kit fit great but had to source different dust caps
4.0
4 months ago
Little Pete
Texas
Verified
Dust caps wouldn't clear spindle so I had to source others. The tech line didn't help resolve my issue or offer a replacement cap. Everything else fit perfect!
Would Recommend
Kit fit great but there is room for improvement
4.0
4 months ago
Karen #1
Texas
Verified
Everything in the kit fit great except the dust caps, they were about 1/4" too shallow to install on the rotor/spindles. You will also need to grind down or replace the factory drum brake bearing retaining washer to fit inside the dust cap, it is about 1/4" too large to use, they could have included the proper washer with the kit. When I called the tech line to get help, the fella that answered the call said that I needed to grid down the spindle to make the cap fit or custom make a cap to fit their rotor! I never would have expected that answer from a Speedway tech about their product! There would have been no threads left past the nut if I were to grind the spindle down! They didn't even offer to send me a different style cap to help resolve the issue. The kit should have come with the appropriate dust cap to begin with! I ended up having to go to 3 different auto parts stores to find a cap that would clear the spindles. Napa came in for the win and had a cap that fit the disc brake swap perfectly! They cost me additional $15.
Would Recommend
Great product
5.0
7 months ago
Junkyard dog
Dickson,tn
Verified
Worked perfect easy to install!!!
Would Recommend
Yes the brake kit was easy and affordable.
5.0
a year ago
Steve
Leander, Texas
Verified
The kit was designed very well. It went on easy. The only thing I had trouble with was trying to find the large wheel nut washer. The original one was too large and I didn't want to cut it down.
Would Recommend
Definitely got my business!
5.0
a year ago
LeverB
Las Vegas NV
Verified
I messed up on a late night order for a brake conversion kit. The staff was very helpful with the error on my end. They helped me return the product and get the correct kit. You actually speak with a person not an automated system!
Would Recommend
yes
5.0
a year ago
bob
Mora, MN 55051
haven' used them yet, waiting until spring.
Would Recommend
I would buy this afain
5.0
a year ago
Vic
Whittier,Ca
Verified
Upgraded brakes on a 1950 ford custom shoebox
Would Recommend
great product
5.0
a year ago
LJC
Greeneville,TN
Verified
purchased for a 53 mercury sedan
Would Recommend
Yes I would.
5.0
2 years ago
none
Rochester Indiana
Verified
Everything is great and the car drives much better and even stops great.
Would Recommend
Showing 10 of 18 reviews
Questions & Answers
1 Question • 1 Answer
Questions & Answers
1 Question • 1 Answer
Hi ! Can the brackets be purchased separately? Please let us know the part number and price. Thanks!
by Sonny
• 4 months ago
1 answer
View Answer
1 of 1 questions shown
Fitment
Fitment
1950-1952 Ford Country Squire
1950-1953 Ford Crestline
1949-1951 Ford Custom
1953 Ford Customline
1949-1951 Ford Deluxe
1952-1953 Ford Mainline
1952 Ford Sunliner
1951-1953 Ford Victoria
1952-1953 Mercury Custom
1952-1953 Mercury Monterey