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Vehicle Info NeededJEGSPART NUMBER: 555-631744
Universal Power Brake Booster 8 in. Dual Diaphragm
$10399$120.99You Save$17.00
Ships on 09/11/2026
Lowest Price GuaranteeBrake Boosters - Universal
Universal Power Brake BoosterFits Select GM, Ford, Trucks, & Passenger Cars Fits Select GM A-Body, F-Body, X-Body 8 in. Dual Diaphragm 3-3/8 in. Bolt Pattern Zinc Cadmium Finish
- with Big Block Engines or Tall Header Engines
JEGS 555-631744 Power Brake Booster
This Power Brake Booster is the ideal replacement for your classic, Ford or GM Street Rod. Whether you're upgrading your stock brake booster or converting your manual brakes to power, this unit is sure to be just what you need for your restoration.
JEGS 555-631744 Power Brake Booster Features:
- 8 in. Diameter universal unit
- Mounting Bracket Face Length: 5 1/4 in.
- Mount Bolts: 5/16 in.-20 x 7/8 in.
- Bolt Pattern (Firewall Side): 3 3/8 in. Center-to-Center Bolt Hole
- Bolt Pattern (Master Cylinder Side): 3 3/8 in. Center-to-Center Bolt Hole
- Pedal Rod Extension: 4 in. Long (3/8 in.-24 Thread)
Replacement Brake Parts For You When You Need Them!
Rotors, calipers, hoses, and other brake parts need to be replaced on a regular basis. Keep your brake system maintained with JEGS Replacement Brake Parts.
Part TypePower Brake Booster
Product LineJEGS Brake Conversion Kit Replacement Parts
BrandJEGS
Package Height11.0
Package Width14.0
Package Length15.0
Weight9.0 PG
Part CategoryReplacement Parts
Diaphragm TypeDual
New Or RemanufacturedNew
Brake Booster TypeVacuum diaphragm
Housing MaterialSteel
Booster TypeVacuum
Master Cylinder IncludedNo
Part FitmentUniversal
Brake Booster Diameter8 in (203.2 mm)
Vendor Part NumberPB8531
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
