Product Summary

Universal Fit, Firewall Position, Natural

  • Corvette-style master cylinder has a 1-1/8" bore and can be used for multiple vehicles with either manual or power brakes
  • Large bore master cylinders offer less pressure but more volume, meaning if you have large bore calipers, the brake pedal doesn't have to travel as far to create the needed volume
  • Bleeder kit includes hose, clips and fittings
  • Steel brake lines intended to simplify plumbing from the master cylinder to a proportioning block
  • Features tight 90° bends at the master cylinder end

Comes as a Kit

Key Specs

MFG. Part #9100477
BrandSpeedway Motors

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Speedway Motors 9100477 Details

Master Cylinder

Corvette-style master cylinder has a 1-1/8" bore and is suited for disc/drum combinations. Features dual outlets so the plumbing can come out either side of the master cylinder. These master cylinders will work with manual or power brake systems. They come with a deep-well piston for manual brakes and an adapter to fill the deep well for use with a power booster.

  • 3/8"-24 IFF outlet ports
  • Plugs are included for the unused ports
  • Mount spacing is 3-3/8" on center
  • Works with power or manual brake systems

Note: Customers intending to use this as a manual brake pedal assembly should note that the pushrod and boot are not included.

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


Bleeder Kit

Dorman’s Brake Master Cylinder Bleeding Tool offers a one-stop, time-saving solution for all master cylinder bleeding jobs. It’s conveniently available in varied metric and standard sizes.

  • Contains hose, clips, and differently sized fittings
  • Easy to use
  • Reusable for multiple jobs
  • Constructed from high-quality materials for long-lasting durability
  • Bleeder Adapters Included
  • Bleeder Tubing Included
  • Plastic Material

Kit Includes:

  • (2) 22" Hoses
  • (2) Clips
  • M8-1.25 fitting
  • M10-1.25 fitting
  • M10-1.0 fitting
  • M11-1.5 fitting
  • M12-1.0 fitting
  • 3/8"-24 fitting
  • 7/16"-24 fitting
  • 1/2"-20 fitting
  • 9/16"-18 fitting
  • 9/16"-20 fitting


Kit Includes

(1) Power/Manual Master Cylinder, 1-1/8 Inch Bore

(1) Dorman 13911 Deluxe Brake Master Cylinder Bench Bleeder Kit

(2) IFF Brass Union Coupler, 3/8 Inch-24 IFF to 3/8 Inch-24

(1) Dual Outlet Master Cylinder Steel Dual Brake Line Kit


Speedway Motors 9100477 Specifications

MFG. Part #9100477
BrandSpeedway Motors
Speedway Motors Catalog Part #910-0477
Brake System TypeDisc/Drum
Outlet CountTandem/Both Sides
Reservoir TypeIntegral
Master Cylinder Bore Size1-1/8 Inch
Master Cylinder MaterialSteel
Pushrods IncludedNo
Outlet Fitting3/8"-24 IFF
Overall Width4.25"
Overall Height5"
Mounted Length8.25"
Centerline of Holes3.38"
Sold in QuantityKit