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![Brake Master Cylinder with Dual Reservoir, Aluminum with Chrome Finish [Universal Mounting]](https://www.jegs.com/images/mini_750/500/555/555-631394.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-631394
Brake Master Cylinder with Dual Reservoir, Aluminum with Chrome Finish [Universal Mounting]
$16999$186.99You Save$17.00
1 left in stock
Ships on Oct 19, 2026
Lowest Price GuaranteeUniversal Cast Aluminum Brake Master Cylinders
Brake Master CylinderUniversal Mounting Non-Power Disc/Drum Applications Power Assisted Drum/Drum, Disc/Drum & Disc/Disc Applications Oval Body with Dual Reservoir 1 1/8 in. Bore Aluminum Chrome Finish
JEGS 555-631394 Brake Master Cylinder with 1 1/8 in. Bore and Dual Reservoir is manufactured from cast aircraft-quality aluminum and chrome-plated into a sleek, stylish unit.
JEGS 555-631394 Brake Master Cylinder Features:
- Flat Screw Top Lid w/Hex Screws
- Manual Master Firewall Boot Included
- Manual Master Adapter Included
- Works for Power or Manual Applications
- 8.250 in. L x 4.250 in. W
- 3 3/8 in. Center to Center Mounting Holes for a Truly Universal Application
- (1) 9/16 in.-18 & (1) 1/2 in.-20 Ports on Driver's Side
Direct-Fit & Universal Brake Master Cylinders
JEGS offers a wide variety of brake master cylinders for direct fit or universal applications. Whether you're looking for a chrome unit to make your engine bay shine or just a replacement to get your vehicle back on the road, we have you covered. All units are manufactured using NEW not remanufactured high-quality materials and finishes to provide years of braking service.
Part TypeMaster Cylinder
Product LineJEGS Brake Master Cylinders
BrandJEGS
Package Height5.3
Package Width5.4
Package Length10.5
Weight4.5 PG
Part CategoryReplacement Parts
Port Quantity2
Remote ReservoirNo
Mounting Flange Center To Center Distance (In.)3.375
Installation Hardware IncludedNo
Mounting Hole Quantity2 holes
Brake Booster IncludedNo
QuantitySold individually
Bowl DesignDual
Rear Brake TypeDisc or Drum
Forward Outlet Size1/2-20 IF (Inverted Flare)
Mounting Brackets IncludedNo
Brake SystemManual or Power
Master Cylinder MaterialAluminum
Pushrod IncludedNo
Front Brake TypeVarious - Application Specific
Part FitmentSemi Universal
Reservoir IncludedYes
Rearward Outlet Size9/16-18 IF (Inverted Flare)
Vendor Part Number260-8559-CHR-MBM
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
