1955-66 Ford Thunderbird Power Brake Booster Master Combo. Look no further for a high performance power brake booster for your classic Thunderbird! This easy to install, made to fit kit features an 8" dual bendix-style power brake booster and master cylinder combo. Assembled in the USA! Will improve the stopping power and safety of your classic T-bird. Available in chrome! For 55-57 cars the battery must be moved to the trunk to allow room for the power brake conversion.