1967–1969 Ford Mustang & Mercury Cougar Kelsey-Hayes 4-Piston Power Front Disc Brake Kit, Manual – A121-2
SKU- A121-2
Regular price $1,605.00Kelsey-Hayes Power Front Drum-to-Disc Brake Conversion Kit for Manual-Transmission Cars
Convert compatible 1967-1969 Ford Mustang and Mercury Cougar front drum brake systems with the SSBC-USA A121-2 Kelsey-Hayes-style power front disc brake conversion kit. This factory-inspired system combines 4-piston cast-iron calipers, 11.25-inch vented rotors, a 7-inch booster, dual-bowl master cylinder, and the major components needed for a properly matched manual-transmission conversion.
Key Features
- 4-piston Kelsey-Hayes-style front calipers
- Black E-coat caliper finish
- 11.25-inch vented front rotors
- 7-inch single-diaphragm power brake booster
- Manual-transmission application
- Bolts to compatible V8 or 6-cylinder drum brake spindles
- SSBC-USA part number: A121-2
What’s Included
- 4-piston cast-iron front calipers
- 11.25-inch vented front rotors
- Semi-metallic brake pads
- 7-inch single-diaphragm booster
- Dual-bowl master cylinder
- Power brake pedal
- Adjustable proportioning valve
- Splash shields
- DOT flex hoses
- Required installation hardware
Vehicle Fitment
Ford Mustang and Mercury Cougar: Select 1967-1969 manual-transmission applications with compatible drum brake spindles and a properly matched power-brake configuration.
✔ Fitment Confidence: This kit is designed for compatible manual-transmission Mustang and Cougar applications. Not 100% sure about your transmission, spindle type, lug pattern, 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
Six-cylinder applications may convert the front bolt pattern to 5 x 4.5 inches. Confirm transmission type, pedal assembly, firewall mounting pattern, spindle configuration, and available clearance before ordering.
Wheel and Installation Notes
Professional installation is recommended. Confirm spindle compatibility, wheel clearance, lug pattern, brake-line routing, booster and master-cylinder setup, pedal installation, 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.
