GM B-Body Brakes

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Speedway 55-58 Chevy Power Disc Brake Kit, 11 in. Standard Disc Brakes

Speedway Motors |

#91664001

Speedway 55-58 Chevy Power Disc Brake Kit, 11 in. Standard Disc Brakes

(6)

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$643.99

/kit

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Black

Speedway Motors |

#91664003

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Black

(2)

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$699.99

/kit

Speedway Motors |

#91664005

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Black

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$746.99

/kit

Speedway Motors |

#91664002

Speedway 55-58 Chevy Power Disc Brake Kit, 11 in. Standard Disc Brakes

(3)

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$760.99

/kit

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Red

Speedway Motors |

#91664006

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Red

(1)

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$815.99

/kit

GM 12-Bolt Rear End Identification & Upgrade Guide

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM Body Styles

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM 10-Bolt Identification and Upgrades | 7.625, 7.5, 8.2, 8.5, 8.6

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

1969-77 GM Brake Calipers

Steve explains the process of installing Speedway calipers.

How to Bleed Brakes by Yourself (6 Methods)

A properly bled brake system ensures optimal braking; here’s how to do it right the first time all by yourself

Brake Proportioning Valve Reset | Symptoms, Bleeders, Adjustment

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Spherical Bushings for GM A-Body Trailing Arms

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Best Brake Boosters for Better Braking

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.

Replacing a G-Body 7.5" Bolt Rear End

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Manual Brake Bleeding

Manual brake bleeding can be one of the most efficient ways to bleed the air out of your brake lines. Speedway Motors has created a guide to show you step-by-step how to manually bleed your brakes.

Speedway 11 in. Disc Brake Conv. Kit for Full-size Chevy Cars 1955-58

Speedway Motors |

#91664000

Speedway 11 in. Disc Brake Conv. Kit for Full-size Chevy Cars 1955-58

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$453.99

/kit

$122 Off

Wilwood |

#83514010738DR

Wilwood 140-10738-DR DP6 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Wheel Bolt Pattern (mm):

5x114.3 mm | 5x120.65 mm

$1,483.16

/each

$1,604.97

$105 Off

Wilwood |

#8351408582DR

Wilwood 140-8582-DR FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Rotor Diameter:

12.19 Inch

Rotor Type:

Vented

$1,281.44

/each

$1,386.67

-7%

Wilwood |

#8351401019BD

Wilwood 140-1019-BD FDL Front Brake Drag Kit, Drilled

Position:

Front

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Wheel Bolt Pattern (mm):

5x114.3 mm | 5x120.65 mm

$976.25

/each

$1,056.43

-7%

Wilwood |

#8351408582

Wilwood 140-8582 FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Rotor Diameter:

12.19 Inch

Rotor Type:

Vented

$1,139.13

/each

$1,232.67

-7%

Wilwood |

#8351408582R

Wilwood 140-8582-R FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Rotor Diameter:

12.19 Inch

Rotor Type:

Vented

$1,139.13

/each

$1,232.67

$105 Off

Wilwood |

#8351408582D

Wilwood 140-8582-D FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Rotor Diameter:

12.19 Inch

Rotor Type:

Vented

$1,281.44

/each

$1,386.67

1951-58 GM Rear Brake Shoe, 11 Inch by 1.75 Inch

Speedway Motors |

#91065753

1951-58 GM Rear Brake Shoe, 11 Inch by 1.75 Inch

Width:

2.00"

Diameter:

10.98"

$73.99

/set

$110 Off

Wilwood |

#83514010738

Wilwood 140-10738 DP6 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Wheel Bolt Pattern (mm):

5x114.3 mm | 5x120.65 mm

$1,340.85

/each

$1,450.97

$211 Off

Wilwood |

#83514010486

Wilwood 140-10486 FNSL6R 14 Inch Front Disc Brake Kit, 1970-78 GM

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$2,564.31

/each

$2,774.91

-7%

Wilwood |

#83514011007R

Wilwood 140-11007-R FDLI Pro Series 11 Front Disc Brake Kit, 1970-78 GM

Position:

Front

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$1,094.29

/each

$1,184.16

1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch

Speedway Motors |

#91065390

1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch

(17)

Rotor Diameter:

11 Inch

Rotor Style:

Plain Face

Rotor Material Type:

Cast Iron

$76.99

/each

OER 25504628 1980-89 Chevy Brake Lamp Switch, 4 Terminal

OER |

#92625453

OER 25504628 1980-89 Chevy Brake Lamp Switch, 4 Terminal

Sold in Quantity:

Each

$9.99

/each

64-74 GM A, F, and X-Body Disc Brake Spindles, Black Powder Coat

Speedway Motors |

#91634900

64-74 GM A, F, and X-Body Disc Brake Spindles, Black Powder Coat

Position:

Left and Right

Spindle Style:

Chevy/GM Stock

Spindle Drop:

Stock Height

$197.99

/pair

Wilwood |

#83537014867

Wilwood 370-14867 Lock Nut / Bearing / Seal kit, for GM 55-68

Material Type:

Steel

Finish:

Plated

$45.68

/kit

Speedway Rear Drill/Slotted Disc Brake Kit, 77-88 GM G-Body, Red

Speedway Motors |

#916645642

Speedway Rear Drill/Slotted Disc Brake Kit, 77-88 GM G-Body, Red

Position:

Rear

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Wheel Bolt Pattern (mm):

5x114.3 mm | 5x120.65 mm

$633.99

/kit

Wilwood |

#83527012038

Wilwood 270-12038 Front Drum/Disc Hub, Vented Rotor, 1969-70 Impala

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Material Type:

Aluminum

Finish:

Natural

$183.35

/each

Wilwood |

#8353700877

Wilwood 370-0877 Outer Bearing Cone, Drag Hub, Small

(1)

Material Type:

Steel

Finish:

Natural

$10.76

/each

Wilwood |

#8353700879

Wilwood 370-0879 Inner Bearing Cone, Drag Hub, Large

Cone ID:

1.2500"

Material Type:

Steel

Finish:

Natural

$13.82

/each

$205 Off

Wilwood |

#83514017659

Wilwood 140-17659 Forged Narrow Superlite 4R Big Brake Rear Kit

Position:

Rear

Wheel Bolt Pattern (in.):

5x4.75 in.

Wheel Bolt Pattern (mm):

5x120.65 mm

$2,494.08

/kit

$2,698.91

$114 Off

Wilwood |

#83514013477D

Wilwood 140-13477-D Classic Series Dynalite Front Disc Brake Kit, 11 Inch

Position:

Front

Wheel Bolt Pattern (in.):

5x4.5 in.

Wheel Bolt Pattern (mm):

5x114.3 mm

$951.69

/each

$1,065.89

$104 Off

Tuff Stuff |

#7452127NB2

Tuff Stuff 2127NB-2 Single Diaphragm Booster Combo, Gold Zinc

Brake Booster Diameter:

11 Inch

Outlet Count:

Tandem

$231.99

/each

$335.79

$175 Off

Tuff Stuff |

#7452127NA

Tuff Stuff 2127NA Single Diaphragm Booster Combo, Master Chrome

Brake Booster Diameter:

11 Inch

Outlet Count:

Tandem

$394.99

/each

$570.23

-6%

Tuff Stuff |

#7452127NA1

Tuff Stuff 2127NA-1 Single Diaphragm Booster Combo, Master Chrome

Brake Booster Diameter:

11 Inch

Outlet Count:

Tandem/Both Sides

$533.99

/each

$570.23

$160 Off

Tuff Stuff |

#7452127NA2

Tuff Stuff 2127NA-2 Single Diaphragm Booster Combo, Master Chrome

Brake Booster Diameter:

11 Inch

Outlet Count:

Tandem

$409.99

/each

$570.23

18" Braided Stainless Steel Brake Line, Straight AN3

Speedway Motors |

#91031840

18" Braided Stainless Steel Brake Line, Straight AN3

(15)

Brake Hose Size:

-3 AN

Brake Hose Length:

18"

Brake Hose Material:

Teflon | Stainless Braid

$23.99

/each

Wilwood |

#9100500

Wilwood Residual Pressure Valves, Disc/Drum, 2 & 10 psi

(2)

Inlet Fitting:

1/8" NPT Female

Outlet Fitting:

1/8" NPT Female

Material Type:

Aluminum

$47.16

/kit

Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace

Speedway Motors |

#91031935

Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace

(2)

Position:

Rear

Wheel Bolt Pattern (in.):

5x4.5 in. | 5x4.75 in.

Wheel Bolt Pattern (mm):

5x114.3 mm | 5x120.65 mm

$382.99

/kit

Speedway Motors |

#5151399

T56 Release Bearing Remote Bleeder

(60)

Fitting End A:

10 mm-1.5

Outer Braid:

Stainless

Sold in Quantity:

Kit

$50.99

/kit

Electric Brake Booster & Master Cylinder Install Kit, Disc/Drum

Speedway Motors |

#9109937

Electric Brake Booster & Master Cylinder Install Kit, Disc/Drum

(1)

Brake System Type:

Disc/Drum

Master Cylinder Material:

Aluminum

$1,866.99

/kit

$248 Off

QA1 HK21-GMG1 Handling Kit Level 1, 1978-88 GM G-Body, w/Shocks

QA1 |

#721HK21GMG1

QA1 HK21-GMG1 Handling Kit Level 1, 1978-88 GM G-Body, w/Shocks

Bushing Material:

Polyurethane

Front Coil Springs Included:

Yes

Rear Coil Springs Included:

Yes

$2,299.95

/kit

$2,547.97

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GM B-Body Brakes

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Products

Speedway 55-58 Chevy Power Disc Brake Kit, 11 in. Standard Disc Brakes

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Black

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Black

Speedway 55-58 Chevy Power Disc Brake Kit, 11 in. Standard Disc Brakes

Speedway Deluxe 55-58 Chevy Disc Conv. Kit, D/S Rotors, Red

Related Articles

Speedway 11 in. Disc Brake Conv. Kit for Full-size Chevy Cars 1955-58

Wilwood 140-10738-DR DP6 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-8582-DR FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-1019-BD FDL Front Brake Drag Kit, Drilled

Wilwood 140-8582 FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-8582-R FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-8582-D FDLI 12.19 Inch Front Disc Brake Kit, 1970-78 GM

1951-58 GM Rear Brake Shoe, 11 Inch by 1.75 Inch

Wilwood 140-10738 DP6 12.19 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-10486 FNSL6R 14 Inch Front Disc Brake Kit, 1970-78 GM

Wilwood 140-11007-R FDLI Pro Series 11 Front Disc Brake Kit, 1970-78 GM

1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch

OER 25504628 1980-89 Chevy Brake Lamp Switch, 4 Terminal

64-74 GM A, F, and X-Body Disc Brake Spindles, Black Powder Coat

Wilwood 370-14867 Lock Nut / Bearing / Seal kit, for GM 55-68

Speedway Rear Drill/Slotted Disc Brake Kit, 77-88 GM G-Body, Red

Wilwood 270-12038 Front Drum/Disc Hub, Vented Rotor, 1969-70 Impala

Wilwood 370-0877 Outer Bearing Cone, Drag Hub, Small

Wilwood 370-0879 Inner Bearing Cone, Drag Hub, Large

Wilwood 140-17659 Forged Narrow Superlite 4R Big Brake Rear Kit

Wilwood 140-13477-D Classic Series Dynalite Front Disc Brake Kit, 11 Inch

Tuff Stuff 2127NB-2 Single Diaphragm Booster Combo, Gold Zinc

Tuff Stuff 2127NA Single Diaphragm Booster Combo, Master Chrome

Tuff Stuff 2127NA-1 Single Diaphragm Booster Combo, Master Chrome

Tuff Stuff 2127NA-2 Single Diaphragm Booster Combo, Master Chrome

18" Braided Stainless Steel Brake Line, Straight AN3

Wilwood Residual Pressure Valves, Disc/Drum, 2 & 10 psi

Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace

T56 Release Bearing Remote Bleeder

Electric Brake Booster & Master Cylinder Install Kit, Disc/Drum

QA1 HK21-GMG1 Handling Kit Level 1, 1978-88 GM G-Body, w/Shocks