Product Summary

Front Position, 11 Inch Rotor Diameter, Powder Coated

  • Our 11" drilled and slotted rotors disc brake conversion kit makes it easy to convert your old drum brake setup to disc brakes on GM full size cars
  • Full Size Chevy 1955-58 Complete Stock Height
  • Comes with 11" cast iron forged rotors, red loaded GM calipers, braided stainless steel hoses, and all required hardware, seals, bearings
  • Also includes our GM full size 8" dual chrome power brake conversion kit for full braking power and detailed instructions for a painless install
  • Fits 1955-58 GM Full Size (Impala, Bel Air, Biscayne) using 15" or larger wheels and will increase track width by 1-3/4" (7/8" per side)

Comes as a Kit

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Key Specs

MFG. Part #91664006
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
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Need To Know

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Speedway Motors 91664006 Details

Our all inclusive disc brake conversion kit makes it easy for the budget minded hot rod enthusiast to convert their drum brakes to disc brakes. The GM full size kits won't require you to swap out spindles, saving you time and money. The included power brake conversion gives you full braking power.

Full Size Chevy 1955-58 Complete Stock Height Kit Includes

  • 11" Rotors
  • Loaded Large GM Calipers
  • Caliper Brackets
  • Hoses with Banjo Bolts
  • Vacuum Hose with Intake Manifold Fittings
  • Bearings
  • Seals
  • Dust Caps
  • Spindle Nuts
  • Spindle Washers
  • All Hardware

1955-1958 GM Full Size 8" Dual Chrome Power Booster Conversion Kit (Impala, Bel Air, Biscayne)

  • 1" Bore Flat Top Aluminum Chrome Master Cylinder
  • Proportioning Valve Kit for Left Mount
  • 8" Dual Booster w/ Firewall Brackets
  • Pedal Extension & Clevis

Charts

Speedway Motors 91664006 Specifications

KEY SPECS
MFG. Part #91664006
BrandSpeedway Motors
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishPowder Coated
Parking Brake ProvisionNo
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Rotor StyleDrilled & Slotted
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Front Caliper IncludedYes
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedYes
Brake Booster IncludedYes
Brake Hoses IncludedYes
Rear Rotor IncludedNo
ColorRed
Bolt Pattern5 on 4.75"
Mounting Bracket IncludedYes
Application TypeDisc/Drum
Front Caliper Piston Quantity1
Front Caliper FinishPowder Coated
GENERAL
Rotor Thickness1"
Front Caliper MaterialCast Iron
Front Caliper PistonSingle Large Piston
Brake Booster Diameter8 Inch
Brake Booster MaterialSteel
Brake Booster TypeVacuum Diaphragm Dual
Brake Hose MaterialRubber
Master Cylinder Bail TypeFlat Top
Master Cylinder Bore Size1 Inch
Master Cylinder FinishChrome
Master Cylinder MaterialAluminum
Master Cylinder Port Sizes9/16-18" & 1/2-20"
Proportioning Valve LocationLeft Mount
Brake Booster FinishChrome
Brake Pedal Rod IncludedYes
Brake Booster Bracket FinishChrome

Ratings & Reviews

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5.0

3 years ago

Tommy

29907 Beaufort, SC

Verified

The brakes began to lock up after the first 2 or 3 miles. Took me a day or two to figure out what was wrong. The rod that connects to the brake pedal needed to be shortened a little more. I wish this would have been mentioned in a troubleshoot part of the instructions.

Would Recommend

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Questions & Answers

1 Question1 Answer

What will the replacement pads,rotors and calipers be when it's time for maintenance? So what year and make vehicle would I use for the replacement

by Jim

4 years ago

1 answer

1 of 1 questions shown

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