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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 #91031417
BrandSpeedway Motors

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Details

Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. This is an OEM-style single reservoir master cylinder for many 1955-1966 Chevy applications with drum brakes. Will not work with disc brakes.

Features a 1" bore and has a 7/16"-24 inverted flare port.

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

Specs

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

Specifications

KEY SPECS
MFG. Part #91031417
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
Overall Width3.38"
Overall Height5.75"
Mounted Length5.88"
Centerline of Holes3.375"
Sleeve MaterialStainless Steel
Sold in QuantityEach
NotesWill not work with disc brakes.