In Germany? No. Here in the states? Booster Dewey is typically the man referred most to. Power Brake Booster Exchange | Providing Parts for Classic Cars but there's also:
Home - Harmon Classic Brakes
I saw that movie, it's effed up man. It's basically a paradigm for AIDS like the movie 'KIDS' dealt with back in the 90's. Decent horror flick though and obviously the cars are noteworthy.