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

|

#91035557

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

  • 1955-57 Chevy Car Disc/Disc Brake Booster Master Cylinder Combo
  • Kits contain a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a knob style proportioning/metering valve.?
  • Also includes the necessary hardware to mount the booster to your original 55-57 Chevy brake pedal.
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$280.99

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Product Summary

55-57 Chevy, Vacuum Diaphragm Dual Brake Booster Type

  • 1955-57 Chevy Car Disc/Disc Brake Booster Master Cylinder Combo
  • Kits contain a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a knob style proportioning/metering valve.?
  • Also includes 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
  • Includes two 1/8" male NPT x 3/8"-24 IFF fittings, 23" vacuum hose, dual-diaphragm booster, pedal rod, and adjustable prop valve. M.C. has outlets on both sides (front 1/2"-20, rear 9/16"-18).
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Key Specs

MFG. Part #91035557
BrandSpeedway Motors
Brake Booster Diameter8 Inch
Master Cylinder MaterialSteel
Master Cylinder FinishNatural
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Speedway Motors 91035557 Details

When you put modern front & rear disc brakes on your 55-57 Chevy car, you should update the master cylinder as well. Why not use one of these simple bolt-on power brake systems? Kits contain a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a knob style proportioning/metering valve. Also includes 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

Disc/Disc or Drum/Drum
Includes proportioning valve

Installation Instructions

Speedway Motors 91035557 Specifications

KEY SPECS
MFG. Part #91035557
BrandSpeedway Motors
Brake Booster Diameter8 Inch
Master Cylinder MaterialSteel
Master Cylinder FinishNatural
GENERAL
Brake Booster TypeVacuum Diaphragm Dual
Outlet CountTandem/Both Sides
Master Cylinder Bore Size1 Inch
Brake Booster MaterialSteel
Brake Booster FinishZinc
Mounted Length14.25"
Master Cylinder Port Sizes1/2"-20 & 9/16"-18 IFF
Bolt Hole Pattern3.38" x 3.38"
Centerline of Holes3.38"
Proportioning Valve IncludedYes
Reservoir IncludedYes
Sold in QuantityKit
NotesIncludes two 1/8" male NPT x 3/8"-24 IFF fittings, 23" vacuum hose, dual-diaphragm booster, pedal rod, and adjustable prop valve. M.C. has outlets on both sides (front 1/2"-20, rear 9/16"-18).

Ratings & Reviews

4.6

5 Reviews

Overall Assessment

Customers laud our brake conversion assembly for its confirmed aptness and fitting accuracy. Praise is unanimous on quality aspects, from its fair pricing to the ease of installation, highlighting how perfect it fits under the hood with valve cover clearance. The master cylinder combo stands out, with customers noting its role in transforming their disc brake conversion experience to make stopping easier and safer. The product distinctly outperforms competitors in usability, quality, practicality, and safety features.

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4.6

5 reviews

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Yes

3.0

10 months ago

Resurrection

Texas

Verified

No instructions

Would Recommend

brake conversion assembly

5.0

6 years ago

tom

wis

Verified

great products from what we ordered fit well,priced right

Would Recommend

everthing going well

5.0

8 years ago

sonny

greensburg,in.

Verified

very good

Would Recommend

Master Cylinder Combo for Disc Brakes

5.0

9 years ago

Hotrod

Clinton, IN

Verified

Great setup for disc brake conversion to make my stopping a pleasure, not a problem...

Would Recommend

This unit was just right.bolted in with no problems!

5.0

9 years ago

The master

Gallatin Gateway,Montana

Verified

Had valve cover clearance and fits under hood.

Would Recommend

Showing 5 of 5 reviews

Questions & Answers

8 Questions • 8 Answers

Is there a non-powered master cylinder equivalent one that could be used instead with the Deluxe Disc Brake Kit - Part # 91031911

by Dave

• 8 years ago

1 answer

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Which master cylinder is included in this kit, if I needed to purchase one separate from the booster?

by Tim

• 9 years ago

1 answer

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Do you have this same kit setup in chrome finish for a 57 chevy ?

by Jeff

• 9 years ago

1 answer

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Is the front resivor on this set up for the front brakes and the rear for the rear brakes? Or vise versa? Hooking up my lines just curious. Thanks

by Jake

• 10 years ago

1 answer

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will this combo work in an underfloor installation i dont need brackets or pedel as we can fabricate we have disc disc setup

by Bob

• 10 years ago

1 answer

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Does this kit include plugs for the unused master cylinder ports?

by JustinCase

• 11 years ago

1 answer

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Can this setup clear a big block? Wondering if this can clear a big block 427 with moderate height Moroso valve covers and your Speedway side mounts in a 55 Chevy?

by hotroddin

• 12 years ago

1 answer

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1st question Is the prop valve a OE style disc drum valve or an adjustable valve? 2nd question is does your front disc brake kit for 55-57 Chevy work with 15" steel wheels?

by Hogan Muffler & Brake

• 15 years ago

1 answer

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8 of 8 questions shown

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