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Universal Aluminum Brake Master Cylinder [1 1/32 in. Bore]
InfoVehicle Info Needed
JEGSPART NUMBER: 555-631405

Universal Aluminum Brake Master Cylinder [1 1/32 in. Bore]

$8199$88.99You Save$7.00
More than 10 available
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Universal Brake Master Cylinder
  • 1 1/32 in. Bore
  • Aluminum body
  • Composite Dual Reservoir
  • 1/2 in.-20 Ports
  • Includes:
    • (2) 1/2 in-20 IFM to 3/8-24 IFF Fittings
    • (1) Boot
    • (1) 3/8 -24 Rod

      JEGS 555-631405 Universal Aluminum Brake Master Cylinder Features:

      • Constructed from aluminum for the master cylinder and composite dual reservoir with boot
      • Features extra, through body holes, for side mounting
      • Specifications: 1.031 in. piston for drum/drum up to 2-piston front & 4-piston rear disc
      • Dimensions: mounting holes are 5/16" and are on 3-3/16" (3.188) centers
      • Includes (2) 1/2"-20 ifm to 3/8"-24 iff fittings, (1) boot, and (1) 3/8"-24 rod
      • Mounting holes are 5/16 in. and are on 3 3/16 in. (3.188) centers.
      • Holes Provided for Fabricating Side Mount


      • 3/8"-24 Threads

      • Multi-Purpose Master Cylinders

      JEGS Universal Master Cylinders are available with two-piston sizes for virtually any combination of drag racing, late model stock car, off-road, or street rod braking system.

      Master cylinders feature an aluminum body, composite dual reservoir with boot, and 3/8 in.-24 rod in either a 1.031 in. piston (for drum/drum up to 2-piston front & 4-piston rear disc) or a 1.125 in. piston (for 2-piston front & 4-piston rear disc up to 4-piston front & 4-piston rear disc) system. Each master cylinder also features extra, through body holes, for side mounting.

      JEGS Master Cylinders are available with 1/2 in.-20 male x -3 AN IFF brake line adapter fittings; or in a kit with a universal billet mounting bracket/spacer, brake line adapter fittings, and mounting hardware.

    Part TypeMaster Cylinder
    Product LineJEGS Universal Master Cylinders
    BrandJEGS
    Package Height5.6
    Package Width10.3
    Package Length10.5
    Weight3.0 PG
    Part CategoryReplacement Parts
    Master Cylinder Stroke1.35 in (34.29 mm)
    Hardware IncludedYes
    Mounting Flange Center To Center Distance (In.)N/A
    Master Cylinder FinishNatural
    Mounting Hole Quantity2 holes
    Master Cylinder Bore Size1.031 in (26.187 mm)
    Bowl DesignDual
    Mounting Brackets IncludedYes
    Master Cylinder Cap IncludedYes
    Pushrod IncludedNo
    Front Brake TypeVarious - Application Specific
    Reservoir MaterialComposite
    Part FitmentSemi Universal
    Reservoir IncludedYes
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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