Rear disc brake conversion kit with rotors from SSBC-USA, featuring red components for easy installation and improved braking performance.
Rear disc brake conversion kit with rotors from SSBC-USA, including drum-to-disc conversion components for improved braking.
Rear disc brake conversion kit with rotors from SSBC-USA, featuring red calipers, for direct fit rear brake upgrade.
Rear disc brake conversion kit with rotors from SSBC-USA, featuring red calipers and installed on a vehicle's wheel assembly.

1979-1986 Ford Mustang 4-Lug Rear Disc Brake Conversion Kit, Red | A112R.

SKU- A112R

Regular price $780.00
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Shipping calculated at checkout.

Rear Drum-to-Disc Brake Conversion Kit for 1979-1986 Ford Mustang

Convert compatible 1979-1986 Ford Mustang factory 4-lug rear drum brake systems with the SSBC-USA A112R rear disc brake conversion kit. This package uses single-piston rear calipers with built-in parking brakes, 10.25-inch rear rotors, and the major mounting components needed for a properly matched rear conversion while retaining the factory-style 4-lug setup.

Key Features

  • Single-piston rear calipers in red finish
  • Built-in parking brake mechanism
  • 10.25-inch rear rotors
  • Retains compatible factory-style 4-lug configuration
  • Designed for select 1979-1986 Ford Mustang rear axle applications
  • SSBC-USA part number: A112R

What’s Included

  • Left and right rear calipers
  • 10.25-inch rear rotors
  • Caliper mounting brackets
  • Brake pads
  • Parking-brake-related components
  • Required installation hardware

Vehicle Fitment

Ford Mustang: Select 1979-1986 4-lug rear axle applications, including compatible 4-cylinder and 8-cylinder cars.

✔ Fitment Confidence: This kit is designed for the compatible 1979-1986 Mustang applications listed above. Not 100% sure about your axle housing, axle flange, 4-lug setup, wheel clearance, parking-brake configuration, or previous modifications? Call our tech team at (716) 775-6700 before you order. We’ll help confirm the correct application details so you can buy with confidence.

Installation Notes

Professional installation is recommended. Confirm axle and flange compatibility, wheel clearance, parking-brake cable routing, brake-line routing, master-cylinder sizing, and proportioning requirements before installation. The system must be properly bled and the pads and rotors correctly bedded after installation.

🚚 Shipping: This item is configured to order at our Elma, NY facility — production and configuration typically take 5–10 business days. Supply constraints can occasionally cause temporary delays beyond this window. Need an update on your order? Contact us at (716) 775-6700 or orders@ssbc-usa.com with your order number and we’ll get you an answer right away. Your exact shipping cost is calculated at checkout based on your address.