Universal Ford 9" Rear Disc Brake Upgrade Kit for Pre-1980 Models, with Parking Brakes

Ford 9" Standard Rear Disc Brake Conversion Kit

Universal Ford & Mercury Passenger Car Rear Kit – F111

Upgrade your pre-1980 Ford or Mercury passenger car with a Ford 9" rear end to modern rear disc brake performance. The F111 Rear Disc Brake Conversion Kit is a true bolt-on solution, engineered to fit the three most common Ford 9" axle flange patterns using one complete kit—no custom fabrication required.

This kit is designed for small-bearing Ford 9" housings.

Please verify your axle flange diameter before ordering.

Minimum wheel size: 15 inch wheels.

Key Features & Benefits

• Bolt-On Installation – No welding or machining required
• Universal Small-Bearing Fitment – Includes brackets & spacers for multiple flange patterns
• Integrated Parking Brake Calipers – Safe, functional emergency brake
• Vented Rear Rotors – Improved cooling and braking consistency
• Dual Bolt Patterns – Compatible with common Ford & GM wheel patterns
• Clean, Professional Install – All hardware, shims, and hoses included

Axle Flange Compatibility

Includes hardware for the following Ford axle flange patterns:

• 3-3/8" x 2" – 8" rear axle (small bearing)
• 3-1/2" x 2-3/8" – 9" rear axle (large bearing)
• 3-9/16" x 2" – New Ford 9" / Torino flange

Each spacer set is individually bagged and labeled (A, B, C) for easy identification. Simply test-fit the spacer plate to your axle housing to confirm the correct set.

What’s Included

• (2) Vented Rear Rotors
  • 11.5" O.D.
  • 2.8" hub I.D.
• Wheel Bolt Patterns:
  • Ford 5 x 4.5" (1/2" studs)
  • GM 5 x 4.75" (7/16" studs)
• Rear Disc Brake Calipers with built-in parking brake
• 10mm Rubber Brake Hoses
• Banjo bolts & copper crush washers
• Complete E-Brake Kit & Cables (replaces factory cables)
• All Mounting Hardware
  • Bolts, tube spacers, clips, and required shims

Optional Customization

Match your rear brakes to your front kit with available options:

• Caliper colors
• Cross-drilled rotors

Fitment Notes

• Designed for Ford 9" rear ends (small bearing)
• Fits all classic Mustangs and pre-1980 Ford and Mercury passenger cars
• Minimum wheel size: 15 inch wheels
• Verify axle flange before purchase

Force 10 PRO package

Choose Package: PRO to upgrade this kit with:

• Stainless steel braided brake hoses in place of the standard rubber hoses ($70 value)
• A free set of rear brake pads later, when you need them: your numbered PRO pad certificate ships in the box. Email or call us with your order and certificate number and we send the pads ($49 value). Pads ship free within the continental U.S.
• Install guide and priority tech line

PRO upgrade: +$69.95 ($119 value).