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![Power Brake Booster Conversion Kit for 1967-1974 GM A/F/X-Body [Disc/Drum or Drum/Drum]](https://www.jegs.com/images/mini_750/500/555/555-630679.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-630679
Power Brake Booster Conversion Kit for 1967-1974 GM A/F/X-Body [Disc/Drum or Drum/Drum]
$14599$157.99You Save$12.00
More than 10 available
Ships on Sep 14, 2026
Lowest Price GuaranteeGM Car, Disc Front & Drum Rear
Power Brake Booster Conversion Kit1967-1974 GM A, F, X-Body Includes:
- 11 in. O.E. Single-Diaphragm Booster (Zinc)
- 1 in. Bore Cast Iron Master Cylinder with 9/16 in. & 1/2 in. Left-Side Outlet Ports
- Pedal Rod Extension & Clevis
JEGS 555-630679 Power Brake Booster Conversion Kit Features:
- Bolt-on system to convert standard non-power brakes to power brakes
- GM Factory O.E. (Original Equipment) Style Master Cylinder and Power Booster
- Delco Moraine Stamp on Power Booster
JEGS 555-630679 Power Brake Booster Conversion Kit Note:
- This Conversion Kit is designed for disc/drum and drum/drum applications. If you are using this kit on a drum/drum application a metering valve is required. We recommend these metering valves: disc/drum 555-631302 and adjustable valve for drum/drum 555-631452
Part TypeBrake Master Cylinder and Booster Assembly
BrandJEGS
Package Height14.0
Package Width15.4
Package Length16.2
Weight22.5 PG
Part CategoryReplacement Parts
Brake Booster FinishGold zinc plated
Brake Booster TypeSingle Vacuum diaphragm
Master Cylinder FinishNatural
Mounting Hole Quantity4 holes
Master Cylinder Bore Size1 in (25.4 mm)
QuantitySold as an Assembly
Mounting Hardware IncludedYes
Rear Brake TypeDrum
Master Cylinder MaterialCast Iron
Master Cylinder Cap IncludedYes
Brake Lines IncludedNo
Master Cylinder IncludedYes
Part FitmentDirect Fit
Reservoir IncludedYes
Vendor Part NumberBCK1000-11001
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
