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$339.99
Speedway Rear Disc Brake Kit with Emergency Brake, 3 Inch Backspace
Speedway Rear Disc Brake Kit with Emergency Brake, 3 Inch Backspace
Universal Fit, Rear Position, Multi: 5 on 4.5" | 4.75" | 5" Bolt Pattern, Vented Rotor Type
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Speedway Rear Disc Brake Kit with Emergency Brake, 3 Inch Backspace
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We estimate this item will ship on or before January 29th.
Part # 91031933
$339.99
each
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What's In The Kit
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- Our most affordable emergency brake kit
- Calipers accept either GM or Lokar type E-brake cables and are tapped to accept common 7/16"-20 banjo fittings
- Big 11.75" diameter, 0.81" thick rotors will provide plenty of stopping power
- Steel caliper bracket welds to the axle tube so it will fit virtually any application
- Hats are drilled for 5 on 4 1/2", 5 on 4 3/4" and 5 on 5" bolt patterns
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Details
Position:
Rear
Bolt Pattern:
Multi: 5 on 4.5" | 4.75" | 5"
Rotor Diameter:
11.75 Inch
Rotor Type:
Vented
Caliper Pistons:
One
Caliper Finish:
Natural
Color:
Natural
Parking Brake Provision:
Yes
MFG. Part #:
91031933
Rotor Hat Bolt Pattern:
8 x 7.00"
Rotor Thickness:
.81"
Rotor Shape:
Round
Thread Pitch:
7/16"-20
Centerline of Holes:
5.50"
Finish:
Natural
Hardware Included:
Yes
Sold in Quantity:
Kit
Notes:
Includes rotors, rotor hats, caliper brackets, calipers, pads, and hardware.
Rotor Material Type:
Cast Iron
Front Rotor Included:
No
Rear Rotor Included:
Yes
Front Caliper Included:
No
Rear caliper Included:
Yes
Front Spindles Included:
No
Master Cylinder Included:
No
Brake Booster Included:
No
Info
Replace 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
910-31933 Instructions (PDF)
Caliper Adjustment Instructions (PDF)
Instructions (PDF)
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
Related Products
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Lokar EC-80FU Floor/Dash Mount Emergency Brake Cables$166.95 -
Lokar EC-80TU Trans Mount Emergency Brake Cables$166.95
What's In The Kit
Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
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Weld-On 1978-88 GM Flat Mount Caliper BracketPart # 91641009Qty x 2
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Speedway Pro-Lite Vented Brake Rotor, 11.75 x .81 InchPart # 91031906Qty x 2
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Speedway Stamped Steel Disc Brake Rotor Hat, 3 Inch OffsetPart # 91031904Qty x 2
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Rotor Hat Bolt Set, 1/8 Inch ThickPart # 8352500071-1/8Qty x 2
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1978-Up GM Metric Emergency Brake Caliper, LH, 5.45 Mount BoltsPart # 91031046-LQty x 1
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1978-Up GM Metric Emergency Brake Caliper, RH, 5.45 Mount BoltsPart # 91031046-RQty x 1
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Instruct Sheet-Brake KitPart # 910319INSTQty x 1
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Reviews
Q & A
Videos
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Visit the Toolbox
The Toolbox is Speedway Motors' hub for professionally written articles.
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Today on our 410 sprint car, the guys are assembling the front axle. The process can be a bit messy, but the finished product is so worth it!
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Learn how to assemble one of our bolt on nine-inch Ford disc brake kits in this step-by-step guide.
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Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Our team of builders continues to make progress on the car!
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After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!