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1971 Mercury Cougar Power Brake Conversion Kit – 9″ Single Diaphragm Booster

*** All Master Power Brakes Booster/Master kits come preassembled with the booster pin set for the specific application.

Power Booster Conversion Kit: Converting from Manual Brakes to Power Brakes does not have to be complicated. All of the necessary components to make the changeover in a simple bolt-in package.

  • 9 inch Single Diaphragm Brake Booster
  • 1 inch or 1-1/8 inch Bore Master Cylinder
  • Powdercoated Black Booster
$393.00 Shop Now This product has multiple variants. The options may be chosen on the product page