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#91031933
$345.99
/each
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Universal Fit, Rear Position, 11.75 Inch Rotor Diameter
Comes as a Kit
View Kit Components
| MFG. Part # | 91031933 |
| Position | Rear |
| Wheel Bolt Pattern (in.) | 5x4.5 in. | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x114.3 mm | 5x120.65 mm |
| Rotor Diameter | 11.75 Inch |
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855.313.9176Quick and Easy Returns
Return PolicyReplace those old drum brakes with modern rear disc brakes. This affordable rear disc brake kit conversion gives you an emergency brake just like your family car has. The steel caliper bracket welds to your 3" axle tube, so it will fit virtually any application. The calipers accept either GM or Lokar type E-brake cables and are tapped to accept the common 7/16"- 20 banjo fittings. The 11-3/4" x .81" vented iron rotors will give you plenty of stopping power.
Steel rotor hat fits 5 on 4-1/2", 5 on 4-3/4", and 5 on 5" bolt patterns and has a 3" backspace.
NSRA Approved
Charts
Specs
The caliper piston pin needs to be aligned with the notch in the pad to avoid fitment issues.
Guides & Documents
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031933 |
| Brand | Speedway Motors |
| Position | Rear |
| Wheel Bolt Pattern (in.) | 5x4.5 in. | 5x4.75 in. |
| Wheel Bolt Pattern (mm) | 5x114.3 mm | 5x120.65 mm |
| Rotor Diameter | 11.75 Inch |
| Rotor Type | Vented |
| Caliper Pistons | One |
| Caliper Finish | Natural |
| Parking Brake Provision | Yes |
| Minimum Recommended Wheel Diameter | 15 Inch |
| Rotor Shape | Round |
| Hardware Included | Yes |
| Rotor Style | Plain Face |
| Front Rotor Included | No |
| Front Rotor Diameter | 11.75 Inch |
| Front Caliper Included | No |
| Rear Caliper Included | Yes |
| Front Spindles Included | No |
| Master Cylinder Included | No |
| Brake Booster Included | No |
| Brake Hoses Included | No |
| Rear Rotor Included | Yes |
| Finish | Natural |
| Rotor Hat Bolt Pattern | 8 x 7.00" |
| Color | Natural |
| Bolt Pattern | 5x4.5 | 5x4.75 | 5x5 |
| GENERAL | |
| Sold in Quantity | Kit |
| Notes | Includes rotors, rotor hats, caliper brackets, calipers, pads, and hardware. |
| Rotor Thickness | 0.81" |
| Thread Pitch | 7/16"-20 |
| Centerline of Holes | 5.5" |
| Rotor Material Type | Cast Iron |
4.9
9 Reviews
Customers appreciate the high quality and ease of installation of our brake set. Its practicality is showcased by repeat purchases, suggesting superior value. It's not just visually appealing but also robust, offering safety for the users. However, some have noted an extra step of adjusting their axles for perfect fit. The product's standout features are underlined by strong recommendations, setting it apart from competitors.
4.9
9 reviews
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Definitely a great deal!
5.0
7 months ago
48 Chrysler Windsor Hot Rod
Sagle, Idaho
Verified
Installed on a Ford rear axle in my 48 Chrysler Windsor.
Would Recommend
Yes
5.0
7 months ago
Chevy64!
Ma.
Verified
Good every thing fit
Would Recommend
Yes I would buy this again!!
5.0
a year ago
Ace
Medford wi.
Verified
Hello my name is rob,the disc brake package is easy to install,however, one must be very careful to have the weld on mounting plate on in the exact position prior to welding it on, this is the most critical feature!!
Prduct is great Quality but didn't fit my vehicle
4.0
a year ago
ford man
Cassville Wi.
Verified
I ordered both front and rear disc brake kits for my 1952 F-1 pickup the front kit would fit, but the rear kit did not have a large enough bolt circle to fit my axles. I kept the master cylinder and power brake unit and sent the rest of the order back. I decided to stay with drum brakes. The tech dept. tried to find parts that would work but none were available for rear disc brakes with a 5 1/2 bolt pattern.
Would Recommend
well built unit
5.0
2 years ago
jacl
nc
Verified
putting disc brakes rear of my truck
Would Recommend
great service
5.0
2 years ago
jake
nc
Verified
well built product
Would Recommend
This brake set is super , just what I needed, I'd buy again!
5.0
7 years ago
Papa G
Rockwall Texas
Verified
5 stars on this one , customer service was a pleasure to work with. Very informative too!
Would Recommend
Great product, I would buy again this part
5.0
8 years ago
Phil's 1956
Downey, Ca
Verified
Its a great product and easy to install.
Would Recommend
second time I purchased this product
5.0
9 years ago
Dick's Hot Rods
Salado, Texas
Verified
looks good. I do have to machine my axles to fit correctly.
Would Recommend
Showing 9 of 9 reviews
14 Questions • 10 Answers
My 15" wheel has 4-1/2 inches of backspace will this work? The rear end is a 10 bolt off a late 70s Lemans.
by Carlos
• 8 years ago
1 answer
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Can this kit be made to work on the rear of a 1939 ford standard with the large bolt pattern artillery wheel mount. I realize the wheels will have to be changed to a regular pattern. Thanks
by Remo
• 9 years ago
1 answer
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How do you decide whether to use the 1.94 or the 3 inch backspacing kit?
by Dont worry about it
• 9 years ago
1 answer
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Will the hat fit over the Currie axles Part # 91046116 and 91046117 without needing modification?
by Mike
• 10 years ago
1 answer
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I have a pontiac/oldsmobile 9.3" rearend. The offset for the rotor cap is 2.81". Will this one work or will I need to get a different rotor hat. And if I have to get a different hat can ya'll get it for me in this kit.
by woody
• 10 years ago
1 answer
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Will this kit fit a 65 Cadillac Deville? I want to use 15 inch wheels
by Nick
• 11 years ago
1 answer
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Will this work on a 12-bolt Truck rear? I have a 66 C10 SWB, currently 6lug drum. Plan to have axles re-drilled.
by jeromio1
• 11 years ago
1 answer
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I understand the term backspace on wheels, but what is meant by " 3 inch backspace" on these brake conversion kits ?
by Cosmo73
• 12 years ago
1 answer
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I would like to use this brake system with a 15x10 wheel with a 4.5 back space. what is the total height of the brake system with calipers? would it clear the inside of my rims?
by
• 14 years ago
1 answer
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Will this product fit a 2wd 1992 Toyota pickup?
by
• 14 years ago
1 answer
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