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1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo

1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo

12 Reviews | 13 Answered Questions
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1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
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Part # 91035556
$229.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Bore Size:
1.00"
MFG. Part #:
91035556
Overall Diameter:
8.00"
Mounted Length:
14.25"
Sold in Quantity:
Each
Notes:
Includes master cylinder, booster, and proportioning valve.
Bolt Hole Pattern:
3.38" x 3.38"
Material Type:
Steel

Info

When you put modern front disc brakes on your 55-57 Chevy car, you should update the master cylinder as well. The stock 55-57 drum brake master cylinder does not have the capacity to supply the proper amount of pressure for front disc brakes. This simple bolt-on power brake assembly will ensure your brakes are operating at peak performance.

  • Kit contains a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a disc/drum combination valve (provides proportioning and metering).
  • Also includes line to connect the prop/metering block to the master cylinder and the necessary hardware to mount the booster to your original 55-57 Chevy brake pedal.
  • Measures 14-1/4" from firewall bracket to end of master cylinder.

Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

Item Details

Includes proportioning/metering valve

Installation Instructions

Notes

If utilizing the original equipment generator mounted with the factory brackets on the driver’s side of the engine, interference to this booster/ master cyilinder combo may be an issue.  Please check for clearance and usability at initial stages of install to insure proper function for both units upon installation.

Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • Tim demonstrates the brake assembly with a Wide 5 drum brake and Speedway's new self-energizing backing plate.
  • 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.
    Learn More
  • Sometimes manually bleeding your brakes isn't the best option for you. In this case you can also take a look at our guide on how to gravity bleed the brake system.
    Learn More

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