Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededJEGSPART NUMBER: 555-631200
O.E. Style Replacement Brake Master Cylinder for Select 1967-1977 GM Models
$7199
More than 10 available
Ships Tomorrow
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
Part TypeMaster Cylinder
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
No Questions
No Reviews
Items You Need
JEGS
Inverted Flare Reducer Adapter 1/2 in.-20 Inverted Flare Male to 3/8 in.-24 Inverted Flare Female
Part Number : 555-63084
$414$5.99
You Save$1.85
![O.E. Style Proportioning Valve/Distribution Block GM [for Disc/Drum Applications]](https://www.jegs.com/images/mini_200/500/555/555-631302.jpg)
JEGS
O.E. Style Proportioning Valve/Distribution Block GM [for Disc/Drum Applications]
Part Number : 555-631302
$8899$96.09
You Save$7.10
JEGS
O.E. Style Proportioning Valve for 1967-1969 F-Body
Part Number : 555-631300
$9299$102.99
You Save$10.00
![Zinc Brake Line Coil Kit [3/16 in. x 25 ft.]](https://www.jegs.com/images/mini_200/500/555/555-63030.jpg)
JEGS
Tubing Straightener For 3/16" to 1/2" O.D. Tubing
Part Number : 555-80082
$15699$172.99
You Save$16.00
![Pro-Style Small Tubing Bender [ Bends Up to 90 degree Angles]](https://www.jegs.com/images/mini_200/500/555/555-80086.jpg)
JEGS
Pro-Style Small Tubing Bender [ Bends Up to 90 degree Angles]
Part Number : 555-80086
$1299$13.99
You Save$1.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
JEGS
Part Number : 555-63084
$414$5.99
You Save$1.85
JEGS
Part Number : 555-631302
$8899$96.09
You Save$7.10
JEGS
Part Number : 555-631300
$9299$102.99
You Save$10.00
Some parts are not legal for use in California or other states with similar laws / regulations
