Rear Disc Brake Conversion Kit with 4-Lug Compatibility for 1979-1986 Ford Mustang Fox Body 7.5 & 8.8 Axles

Ford 7.5 & 8.8 4 Lug, Fox Body 4 Lug Rear Disc Brake

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Upgrade your 1979-1986 Fox Body Mustang with LEED Brakes’ rear disc brake conversion kit, designed for 7.5 & 8.8 rear axles with 4-lug compatibility. This direct bolt-on upgrade replaces outdated drum brakes with single-piston disc brakes, delivering improved stopping power, reliability, and heat dissipation. Featuring zinc-plated components, 11-inch vented rotors, and a heavy-duty parking brake caliper, this kit ensures long-lasting performance for your Fox Body.

LEED Brakes – Big Brake Comparison


LEED Brakes Rear Disc Brake
  • Rear Caliper Piston Size – 54mm
  • Brake Pad 2.87 x 5.85
  • Rotor 11.14 in x 1.0 in - vented

    • SN95 Rear Disc Brake
  • Rear Caliper Piston Size – 38mm
  • Brake Pad 1.91 x 3.531
  • Rotor 10.51 in x 9/16 in – solid, non-vented

    • 93 Cobra Rear Disc Brake
  • Rear Caliper Piston Size – 45mm
  • Brake Pad 2.35 x 4.512
  • Rotor 10.16 in x 15/16 in - vented
    • Pricing: $799.95

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    Description

    Upgrade Your 1979-1986 Fox Body Mustang with a High-Performance Rear Disc Brake Conversion

    Enhance your Fox Body Mustang's braking performance with LEED Brakes’ rear disc brake conversion kit, engineered for 1979-1986 Ford Mustang models with 7.5 & 8.8 rear axles and 4-lug compatibility. This drum-to-disc brake upgrade replaces outdated drum brakes with precision-machined disc brakes, significantly improving stopping power, safety, and durability.

    Designed for direct bolt-on installation, this kit utilizes factory mounting points, making installation simple and hassle-free. 

    1979-1986 Ford Mustang Fox Body Rear Disc Brake Conversion Kit Key Features & Benefits:

    • Enhanced Braking Power – Single-piston calipers with 54mm pistons for increased stopping force.
    • 4-Lug Compatibility – Specifically designed for 1979-1986 Fox Body Mustang rear axles.
    • 11-inch Vented Rotors – Better cooling and increased rotational torque.
    • Durable Zinc-Plated Components – Protects against rust and extends the life of your braking system.
    • Heavy-Duty Parking Brake Caliper – Increased clamping force vs other smaller calipers.
    • Easy Installation – Direct bolt-on design for seamless fitment.

    Comparison: LEED Brakes vs. Other Rear Disc Brake Options

    Feature LEED Brakes Rear Disc Kit   SN95 Rear Disc Brake   1993 Cobra Rear Disc Brake
    Rear Caliper Piston  54mm 38mm 45mm
    Brake Pad Size 2.87" x 5.85" 1.91" x 3.53" 2.35" x 4.51"
    Rotor Size 11.25" x 1" (Vented) 10.51" x 9/16" 10.16" x 15/16" (Vented)

     

    This comparison highlights the superior braking power, heat dissipation, and durability of the LEED Brakes Fox Body rear disc brake conversion kit over common alternatives.

    Vehicle Fitment:

    • Ford Mustang Fox Body (1979-1986) – 7.5 & 8.8 Rear Axles with 4-Lug Compatibility

    Fox Body Rear Disc Brake Conversion Kit Product Specifications:

    • Position: Rear
    • Rotor Style: Standard
    • Rotor Diameter: 11 inches
    • Rotor Thickness: 1 inch
    • Bolt Pattern: 4 x 108mm
    • Caliper Piston: 54mm Single-Piston, Cast Iron with Zinc Plating
    • Minimum Recommended Wheel Size: 15x7 inches
    • Parking Brake: Included
    • Installation: Direct Bolt-On
    • Fitment Note: Check axle housing flange dimensions before purchasing (see Photo #2).

    Why Upgrade to Rear Disc Brakes for Your Fox Body Mustang?

    Factory drum brakes on 1979-1986 Fox Body Mustangs are prone to fading, uneven braking, and reduced performance under high-speed conditions. LEED Brakes’ rear disc brake conversion kit provides:

    • Consistent Braking Power – Eliminates drum brake fade.
    • Improved Heat Dissipation – Vented rotors reduce overheating.
    • Enhanced Safety & Control – Smoother, more predictable braking performance.