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#91031949
Speedway 1955-57 Chevy Car Front Disc Brake Kit
- Bolts onto stock '55-'57 spindles with no machine work
- Includes 11" rotors and 1969-72 GM calipers (7/16"-20 inlets)
- Brake pads, bearings, seals, hoses, and hardware are included making this a complete bolt on kit
$363.99
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Product Summary
Front Position, 11 Inch Rotor Diameter, Natural
- Bolts onto stock '55-'57 spindles with no machine work
- Includes 11" rotors and 1969-72 GM calipers (7/16"-20 inlets)
- Brake pads, bearings, seals, hoses, and hardware are included making this a complete bolt on kit
- May not clear some 14" wheels
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91031949 |
| Position | Front |
| Wheel Bolt Pattern (in.) | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x120.65 mm |
| Rotor Diameter | 11 Inch |
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Speedway Motors 91031949 Details
Just what's needed to update your classic Tri-Five Chevy! Eliminate those archaic ball bearings and gain first class stopping power all at once with this front disc brake conversion kit. Rotors and caliper brackets bolt onto your original spindles with no modification or machining required. Calipers mount to the front of the spindle.
This disc brake kit will increase the total front track width by 1-3/4" (7/8” per side).
- Uses 11" rotors and 1969-72 GM calipers (7/16"-20 inlets)
- May not clear some 14" wheels
- Bolts onto stock '55-'57 spindles with no machine work
- Includes rubber brake hoses
Guides & Documents
Speedway Motors 91031949 Specifications
Speedway Motors 91031949 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031949 |
| 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 | |
| Sold in Quantity | Kit |
| Notes | Includes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets. |
| Rotor Thickness | 1.05" |
| Stud Diameter | 0.44" |
| Stud Length | 0.8" |
| Thread Pitch | 7/16"-20 |
| Front Suspension Type | IFS |
| Rotor Material Type | Cast Iron |
| Track Width Increase | 1.75" |
Ratings & Reviews
4.8
46 Reviews
The customers consistently praised the product's quality, ease of installation and excellent fit. Many customers referred to the disc brake conversion kit as offering improved performance and stopping power. The kit's compatibility with vehicles such as '57 Belair and '55 Chevy received positive mentions. Repeat purchases and recommendations reflect high customer satisfaction. A few issues with installation were noticed but overall, customers were satisfied with the product's functionality and safety improvement. Some customers found the kit to be better value than similar products from competitors.
Ratings & Reviews
4.8
46 Reviews
The customers consistently praised the product's quality, ease of installation and excellent fit. Many customers referred to the disc brake conversion kit as offering improved performance and stopping power. The kit's compatibility with vehicles such as '57 Belair and '55 Chevy received positive mentions. Repeat purchases and recommendations reflect high customer satisfaction. A few issues with installation were noticed but overall, customers were satisfied with the product's functionality and safety improvement. Some customers found the kit to be better value than similar products from competitors.
4.8
46 reviews
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Most Liked Positive Review
5.0
Disc brake kit
Great product, easy installation, perfect fit
Most Liked Negative Review
3.0
I would not buy this product again
Had to grind one bracket a bit to fit properly( right caliper bracket).wheels appear to be more than 7/8" out more from stock. Have to buy offset wheels now.
Filter by Ratings
Good kit
5.0
a month ago
55chevy11
Knoxville tn
Verified
Fit good
Would Recommend
YES. YOU NEED TO TELL BRACKETS IS NOT INCLUDED!
5.0
3 months ago
BIG DADDY
T. KANSAS
Verified
BUIDING CAR NOT YET DRIVEABLE
Would Recommend
Fits well - clear instructions
4.0
4 months ago
Zimmy
Appleton WI
Verified
Installed a 57 Chevy 210. Instructions covered everything, definitely read through before installing. Had to drill new holes for cotter pins, that was th most difficult part. Bearing are from China. If you want to paint the calipers they will need to be scuffed first.
Would Recommend
Good product for the money.
5.0
8 months ago
Mike
Birmingham Alabama
Verified
We had a hard time finding what we needed on a pieced together 55 build we purchased however finding this was a godsend. Very good product for the money
Would Recommend
Great product worked perfect
5.0
a year ago
Disk brakes
Ionia Iowa
Verified
Economical conversation for tri five. Worked great. Good product
Would Recommend
I'd buy it again
5.0
a year ago
Grease R
Eden prairie mn
Verified
Good fit on one side,other welded wrong. Speedway sent out another worked great!
Would Recommend
This brake kit fit like a glove .
5.0
a year ago
Pappy
Waynesboro Mississippi
Verified
Great fit. easy too install. Kit came complete with everything down to the carter keys. I would highly recommend this product to anyone.
Would Recommend
Yes
5.0
a year ago
Chuck
Chicago, Illinois
Verified
I like the product very much and it fit my car with an easy installation
Would Recommend
Would definitely buy again.
5.0
a year ago
Pops
Idaho
Verified
Installed on my '55 Chevy, a much needed upgrade for it.
Would Recommend
I would buy again
5.0
2 years ago
Car
Pa
Verified
Great product
Would Recommend
Showing 10 of 46 reviews
Questions & Answers
Questions & Answers
22 Questions • 18 Answers
Will this kit work with drop spindles 91034923?
by John Doe
• a year ago
1 answer
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What size stud hole is the rotors?
by Greg
• 3 years ago
1 answer
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how long are the included brake hoses?
by Tony
• 3 years ago
1 answer
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Are these available with a 4.5 bolt pattern by chance?
by Keith
• 7 years ago
1 answer
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What about the wheel bearing? Are they new tapered style or the original style?
by Joshua
• 7 years ago
3 answers
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Will these work on a1957 Pontiac Chieftain
by Jack
• 8 years ago
1 answer
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Does the mounting bracket for the calipers mount to the front of the spindle? So that when mounting the caliper to the rotor in would be in the front and not the rear
by Cuz
• 8 years ago
2 answers
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I have a 1955 chevy 210 with early 14x6 torque thrust d wheels. my question is if the calipers in your kit are the smaller metric ones will the clear these wheels? THANKS
by nub
• 8 years ago
1 answer
View Answer
I have a 1957 belair wagon. Can you tell me if I will need to replace my original spindles in order to install this disc brake upgrade. If so, what do you recommend? Thanks.
by Jeff
• 8 years ago
6 answers
View Answers
I have a 1956 Belair with stock brakes and master cylinder. Do you sell a disc brake conversion kit for the rear as well?
by Opie
• 9 years ago
1 answer
View Answer
10 of 22 questions shown
Fitment
Fitment
1955-1957 Chevy Bel Air
1957 Chevy Del Ray
1955-1957 Chevy One-Fifty Series
1955-1957 Chevy Two-Ten Series