1964½–1966 Ford Mustang 4-Lug Power Front Disc Brake Conversion Kit, Automatic – A120-5
SKU- A120-5
Regular price $1,050.004-Lug Power Front Drum-to-Disc Brake Conversion Kit
Convert compatible 1964½-1966 six-cylinder Ford Mustang front drum brake systems with the SSBC-USA A120-5 power front disc brake conversion kit. This system retains the compatible stock 4-lug drum brake spindle configuration while adding single-piston cast-iron calipers, 10.25-inch vented rotors, a 7-inch booster, dual-reservoir master cylinder, and the major components needed for a properly matched automatic-transmission conversion.
Key Features
- Single-piston cast-iron front calipers
- 10.25-inch vented front rotors
- Designed for compatible six-cylinder, 4-lug Mustang applications
- Uses compatible stock 4-lug drum brake spindles
- 7-inch power brake booster
- Automatic-transmission application
- SSBC-USA part number: A120-5
What’s Included
- Single-piston cast-iron front calipers
- 10.25-inch vented front rotors
- Semi-metallic brake pads
- 7-inch power brake booster
- Dual-reservoir master cylinder
- Adjustable proportioning valve
- E-coated mounting brackets
- DOT flex hoses
- Required installation hardware
Vehicle Fitment
Ford Mustang: Select 1964½-1966 six-cylinder, 4-lug models with automatic transmission, compatible stock drum brake spindles, and sufficient wheel clearance.
✔ Fitment Confidence: This kit is designed for compatible six-cylinder, 4-lug automatic-transmission Mustang applications. Not 100% sure about your lug pattern, spindle type, transmission, pedal setup, wheel clearance, or current brake system? 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.
Important Compatibility Note
This kit is intended for compatible automatic-transmission vehicles. Confirm transmission type, pedal assembly, firewall mounting pattern, and available clearance before ordering.
Wheel and Installation Notes
This system fits many 15-inch wheels when clearance is confirmed. Professional installation is recommended. Confirm spindle compatibility, wheel clearance, brake-line routing, booster and master-cylinder setup, pedal configuration, 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.
Frequently Asked Questions
How do I confirm this brake kit fits my vehicle?
Review the fitment details and Fitment Confidence section above. Model year, drivetrain, axle or hub configuration, rotor dimensions, parking-brake style, and wheel clearance can affect fitment. If any part of your setup is uncertain, call the SSBC-USA technical team at (716) 775-6700 before ordering.
What is included with this kit?
Use the Product Details, Key Features, or What's Included information above for the exact components supplied with this part number. Package contents vary by application and configuration.
Should wheel clearance be checked before ordering?
Yes. Brake-kit clearance depends on the specific wheel diameter, spoke profile, and offset. Confirm the clearance requirements for your application before ordering.
How long does this product take to ship?
This product is configured to order at the SSBC-USA facility in Elma, New York. Production and configuration typically take 5–10 business days, although temporary supply constraints can occasionally extend that timeframe.
