Product Summary

Frame Position, Disc/Drum Brake System Type

  • Kit includes everything you need to convert your stock '49-'54 Chevy car to disc brakes!
  • Master/booster kit also available
  • 4.75" bolt pattern
  • Not for straight axle

Key Specs

MFG. Part #91019542
BrandSpeedway Motors
Brake System TypeDisc/Drum
Reservoir TypeIntegral

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Speedway Motors 91019542 Details

Use this great conversion kit to make your old Chevy stop safely and reliably when converted over to an automatic transmission application. Use in conjunction with front disc brake conversion 910-1954 and rear drum brakes.

  • Direct bolt in for 1949-54 Chevy cars
  • Corvette-style dual reservoir master cylinder
  • 7" dual diaphragm booster
  • Bare steel and gold zinc finish
  • For disc/drum applications
  • Proportioning valve included
  • Modification to stock brake lines required
  • For automatic transmission application only
  • Pedal arm threaded 1/2"-20

Works well when used with 1949-54 Chevy car front disc brake conversion kit 910-1954.


Must be used in conjunction with an automatic transmission application only.  It will not work with the manual transmission configuration.


Speedway Motors 91019542 Specifications

MFG. Part #91019542
BrandSpeedway Motors
Brake System TypeDisc/Drum
Reservoir TypeIntegral
Master Cylinder Mount TypeReverse
Pedals IncludedBrake
Master Cylinder Count1
Outlet CountTandem
Outlet Fitting9/16"-18
Master Cylinder MaterialSteel
Brake Booster IncludedYes
Balance BarNo
Sold in QuantityKit
Brake Booster TypeVacuum Diaphragm Dual
Brake Booster Diameter7 Inch