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Product Summary

Firewall Position, Drum Brake System Type, Natural

  • OEM type single reservoir master cylinder
  • 55-66 Chevy applications with original drum brakes
  • Not for disc brake applications
  • 7/16" IFF outlet

Key Specs

MFG. Part #91031416
BrandSpeedway Motors

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Speedway Motors 91031416 Details

This is an OEM type single reservoir master cylinder for many 1955-1964 Chevy applications with original drum brakes. Has a 1" bore and a 7/16"-24 IFF outlet port. Not for use with disc brakes.

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

Catalog Correction: This unit has a 7/16" outlet, not a 3/8" port as stated in our catalogs.

Specs

  • 7/16"-24 IFF outlet
  • Bolt spacing for attachment is 3.390 or 3-3/8”
  • Piston has a 1-5/8” dish or bore for the pushrod
  • Overall Length:  5-7/8"

Speedway Motors 91031416 Specifications

KEY SPECS
MFG. Part #91031416
BrandSpeedway Motors
GENERAL
PositionFirewall
Brake System TypeDrum
Outlet CountSingle
Reservoir TypeIntegral
Master Cylinder Bore Size1 Inch
Master Cylinder MaterialSteel
FinishNatural
Reservoir IncludedYes
Outlet Fitting7/16"-24 IFF
Mounted Length5.88"
Centerline of Holes3.38"
Sold in QuantityEach
NotesNot for use with disc brakes.