4 Wheel Disc Power Brake Kit for 1966-77 Ford Bronco, BLEM AA

Old Style Master Cylinder & Power Brake Booster

This master cylinder and 9 Inch power brake booster setup is the older-style version previously used with our 4-wheel disc power brake kit for 1966-77 Ford Broncos.

Scratch & Dent Condition

This listing includes the master cylinder and power brake booster only. Master cylinder lines and the Power Brake Accessory Kit are not included. See listing pictures for additional condition details.

Retail Listing:

This Ultimate Power Brake Conversion Kit for Early Broncos equipped with 4-wheel disc brakes features a new 9-inch dual diaphragm power brake booster engineered for maximum braking performance. We consider this the most effective and best-fitting power brake conversion available for 1966–77 Ford Broncos.

The kit includes a new pushrod, mounting bracket, 9-inch booster,and master cylinder -providing a complete bolt-on solution. This is the ONLY Early Bronco power brake kit on the market that utilizes a 9-inch dual-diaphragm booster designed specifically for improved stopping power with 4-wheel disc brake setups.

Fitment Note: Unlike other kits that require fender well modifications, our exclusive bracket system generally clears the inner fender without cutting. In rare cases, a minor dimple in the wheel well may be required for proper clearance.