Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Canadian Leaf

Emergency Brake Calipers

Specs
Sold in Quantity:
Each
Thread Pitch:
7/16"-20
Hardware Included:
Yes
Mounting Bolt Center to Center:
5.50
Garage Sale:
No
Notes
Caliper measures 5" from the inboard side of the rotor centerline, and 1-3/4" from the outboard centerline.
Emergency Brake CalipersEmergency Brake Calipers
Emergency Brake Calipers

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

These 1978-up GM Metric calipers accept either GM or Lokar type emergency brake cables. The fluid inlets are tapped to accept 7/16-20 banjo fittings. Includes the bracket to attach the emergency brake cable, slider bolts, and brake pads.

The bleeder hole is 10mm x 1.5. If speed bleeders are needed, use our part number 6173958. Mount bolt spacing is 5.45".

910-31046 Instructions (PDF)

Application

  • The original application for this caliper is 1979-1985 Cadillac Seville

You may also be interested in:

Banjo Brake Fitting Kit, 7/16-20 to -3 AN
(Part #6172930)
                        One part number gets you all the parts needed to hook a -3 AN style line to a GM caliper. Each kit includes 2 banjo bolts, 2 banjo fittings, and 5 washers. Each kit services 2 calipers.
                    
Speedway Rear Disc Brake Kit with Emergency Brake, 3 Inch Backspace
(Part #91031933)
                        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 Legal

910-31933 Instructions (PDF)

Wilwood 150-8936K D154 PolyMatrix BP-10 Brake Pad Set, GM Metric
(Part #8358936)
                        

Speedway Motors is your one-stop shop for GM 1978-Up Midsize caliper brake pads.

  • Medium friction, smooth engagement, low abrasion on iron rotors.
  • Flat torque curve.
  • Low to medium wear rate, increases as temperature increases.

Brake Pad Brochure (PDF)

Tech Tip:  Only use full metallic pads on coated rotors.

Tech Tip: You can fine tune your car's brake system by selecting different compounds for the front and rear, or side to side. 

Sold as a set of 4, 1 set will be needed to outfit 2 calipers.

Brake Pad Brand Guide (Link) 

Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.

Lokar EC-80FU Floor/Dash Mount Emergency Brake Cables
(Part #49180FU)
                        

Cables are designed for use with Lokar Floor Mount & Under Dash Mount Emergency Hand Brakes. Kit comes equipped with quality one-piece aluminum adjusters and aluminum ferrule to eliminate fraying of stainless housing. Outer housing is designed with specially extruded liner for extended life of the cable. Stainless inner cable resists moisture.

Design allows rear end backing plate fittings to be removed without removing brake cables. Lokar cables also feature adjustable cable lock and clevis. Kit is complete with cable bracket and spacers. Kit includes two 8 foot black outer housings that “U-Cut-to-Fit".

See Application tab for model-specific information.

EC80FU E-Brake Cable Instructions (PDF) 

Connector Cable Installation Instructions (PDF) 

Lokar EC-80TU Trans Mount Emergency Brake Cables
(Part #49180TU)
                        

Transmount E-Brake Cables are designed for use with Transmount Emergency Hand Brakes (at right) and includes bracket for mounting cables to hand brake. Kit comes equipped with quality one-piece aluminum adjusters and aluminum ferrule to eliminate fraying of stainless housing. Outer housing is designed with specially extruded liner for extended life of the cable. Stainless steel inner cable resists moisture.

Design allows rear end backing plate fittings to be removed without removing brake cables. Lokar cables also feature adjustable cable lock and clevis. Kit includes two 8 foot black outer housings that “U-Cut-to-Fit”­.

*NOTE*: If using these cables with Ford Explorer-style (such as our 910-31938), Wilwood, or late model Corvette rear disc brakes with internal shoe-type emergency brake, you will need our nut kit listed 916-41021 and E-Brake clevis 491-81FC (at right).

Wilwood 15Q-6831K D154 PolyMatrix Q Brake Pad Set, GM Metric
(Part #83515Q6831K)
                        
  • Medium friction, smooth engagement, low abrasion on iron rotors
  • Flat torque curve Can be used with aluminum rotors on Sprint Car applications
  • Low wear rate at low to medium Temps
  • High performance ceramic based street formula
  • Lowest dust and noise
  • Compatible with all types of steel or iron rotors
  • Aluminum rotors for racing

Compound Data Sheet (PDF)

Weld-On 1978-88 GM Flat Mount Caliper Bracket
(Part #91641009)
                        

These caliper brackets mount flat and must be welded onto your 3" diameter axle tube. Designed to mount a 1978-1988 GM metric car front caliper for use with an 11.75" diameter rotor. Brackets are 1/4" thick.

IMCA APPROVED

7/16 Inch to AN3 Banjo Fitting
(Part #6174049)
                        7/16 Inch to AN3 Banjo Fitting