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All business activities resume on Monday, April 17.

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SKU: PB8531C Universal 8" Dual Diaphragm Chrome Booster

Universal 8" Dual Diaphragm Chrome Booster
Purchase Universal 8" Dual Diaphragm Chrome Booster
  • SKU: PB8531C Universal 8" Dual Diaphragm Chrome Booster

  • $119.99

  • Manufacturer: MBM
  • Part #: PB8531C
  • Rating:
    Not yet rated


Universal 8" Dual Diaphragm Power Booster

  • Chrome finish
  • 3-3/8" Bolt Pattern (Firewall Side)
  • 3-3/8 Center to Center Bolt Hole (Master cylinder Side)
  • Uses adjustable pin
  • Great for installs on GM A, F, X, Body Cars with Big Blocks or Engines with tall headers

**Note** These boosters will work on a variety of GM, Ford, Trucks, & Passenger Cars. When ordering an universal brake booster please make sure you have the correct brackets or pedal assembly for your application.

Will need adjustable pedal rod extension & the correct clevis for your application.


  • Part Number: PB8531C
  • UPC: 638339849894
  • Weight: 9
  • Box Size: 15x11x14
  • Brake Booster Type: Vacuum Diaphragm
  • Brake Booster Finish: Chrome plated
  • Mounting Pattern: 3-3/8” Square
  • Brake Booster Diameter: 8” Dual
  • Length: 5.50"
  • Rod Length: 4"
  • Notes: Length from mount face to M.C. mount face is 5-1/4". Pushrod extends 4" from mount face and has 3/8"-24 threads. Mount bolts are 5/16"-20 x 7/8".

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