Master Cylinder Braces & Stops

Shop brake master cylinder stops and braces designed to reduce master cylinder and firewall movement during hard braking. Also called master cylinder stoppers or brake cylinder braces, these upgrades reinforce the braking system to help provide a firmer, more responsive, and consistent brake pedal feel. Browse direct-fit brake master cylinder stoppers for performance street cars, racing vehicles, autocross builds, and track applications from trusted aftermarket brands.