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Vehicle Info NeededJEGSPART NUMBER: 555-631200
O.E. Style Replacement Brake Master Cylinder for Select 1967-1977 GM Models
$7199$79.99You Save$8.00
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Lowest Price GuaranteeGM Reproduction Brake Master Cylinders
O.E. Style Replacement Brake Master Cylinder1967-77 GM F-Body Dual Reservoir 1 1/8 in. Bore 9/16 in.-18 & 1/2 in.-20 Ports on Left/Driver Side Cast Iron Includes Bleeder Valves Replaces GM Original Casting Number 5463809
JEGS 555-631200 O.E. Style Replacement GM Brake Master Cylinder
This Master Cylinder is designed for disc front and drum rear brakes and includes a removable shallow bore adapter that allows you to use this on power or manual brake systems.
JEGS 555-631200 O.E. Style Replacement GM Brake Master Cylinder Features:
- The perfect master cylinder for your GM restoration
- New unit (not remanufactured)
- Dual Reservoir, oval body
- Gold zinc plated dual bail cap
- Exact copy, designed to match the original GM-style brake master cylinder
- GM Original casting number 5463809 is on this unit
- Dimensions:
- 8 in. L x 5 in. H
- GM 3 3/8 in. Wide Bolt Pattern
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 Height5.4
Package Width5.5
Package Length10.0
Weight10.22 PG
Part CategoryReplacement Parts
Port Quantity2
Mounting Flange Center To Center Distance (In.)3.375
Master Cylinder FinishNatural
Installation Hardware IncludedNo
Mounting Hole Quantity2 holes
QuantitySold individually
Master Cylinder Bore Diameter1.125
Bowl DesignDual
Rear Brake TypeDrum
Forward Outlet Size1/2-20 IF (Inverted Flare)
Brake SystemManual or Power
Master Cylinder MaterialCast Iron
Master Cylinder Cap IncludedYes
Pushrod IncludedNo
Front Brake TypeDisc
Reservoir MaterialCast iron
Part FitmentDirect Fit
Rearward Outlet Size9/16-18 IF (Inverted Flare)
Vendor Part NumberMC309
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
