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![Power Brake Booster Fits Select 1964-1972 Buick, Chevy, GMC, Olds, Pontiac A, F & X-Body Models [8 in. Dual Diaphragm]](https://www.jegs.com/images/mini_750/500/555/555-631704.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-631704
Power Brake Booster Fits Select 1964-1972 Buick, Chevy, GMC, Olds, Pontiac A, F & X-Body Models [8 in. Dual Diaphragm]
$17499$192.99You Save$18.00
Ships on 09/16/2026
Lowest Price GuaranteeGM Power Brake Boosters
Power Brake BoosterSelect 1964-1972 Buick, Chevy, GMC, Olds, Pontiac A, F & X-Body Models See Fitment Tab for All Applications 8 in. Dual Diaphragm Chrome Finish Includes:
- Pedal Extension
- Mounting Hardware
JEGS 555-631704 Power Brake Booster Features:
- Fits select 1964-1972 Buick, Chevy, GMC, Olds, Pontiac A, F & X-body models
- 8 in. diameter OE-style reproduction
- Bolt Pattern (Firewall Side): 3.375 in. x 3.375 in. Center-to-Center Bolt Hole
- Bolt Pattern (Master Cylinder Side): 3.375 in. Center-to-Center Bolt Hole
- Perfect upgrade for your stock brake booster or converting your manual brakes to power
- Includes brake pedal rod extension and mounting hardware
Direct-Fit & Universal Power Brake Boosters
JEGS offers a wide variety of Power Brake Boosters for direct fit O.E. style authentic, officially licensed, GM® restoration units with an original finish and stampings just like the original and 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 TypePower Brake Booster
Product LineJEGS Power Brake Boosters
BrandJEGS
Package Height12.1
Package Width12.5
Package Length12.7
Weight10.89 PG
Part CategoryReplacement Parts
Diaphragm TypeDual
Brake Booster FinishChrome
Brake Booster TypeDual Vacuum diaphragm
Housing MaterialSteel
QuantitySold individually
Mounting Hardware IncludedYes
Brake Pedal Rod Extension IncludedYes
Mounting Bracket IncludedYes
New Or RemanufacturedNew
Brake Booster MaterialSteel
Booster TypeVacuum
Master Cylinder IncludedNo
Part FitmentDirect Fit
Bracket FinishChrome
Package Qty1
Package TypeEA
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