The Cusco 232 561 A Brake Cylinder Stopper is designed to improve brake pedal feel by preventing unwanted flex of the brake master cylinder under heavy braking for the Nissan Skyline R33 GTS25-t & R34 25GT-t. By reinforcing this critical mounting point, the stopper helps deliver more immediate and consistent braking response during performance driving.

Manufactured using lightweight steel and designed for direct fitment, the Cusco Brake Cylinder Stopper provides effective reinforcement without permanent modification. Its rigid structure is engineered to withstand repeated braking loads while maintaining reliability over long-term use.

Key Features

• Reduces brake master cylinder and firewall flex under braking load
• Improves brake pedal firmness and feedback
• Simple bolt-on installation using standard hand tools
• Finished in Cusco’s signature blue coating

Vehicle Application & Fitment

• Nissan Skyline R33 GTS25‑T
• Nissan Skyline R34 GT‑T
• Nissan WGNC34 Stagea (turbo models only)

Why Choose Cusco

Cusco is a globally respected Japanese manufacturer known for producing motorsport-proven chassis and braking components. The 232 561 A reflects Cusco’s focus on functional upgrades that enhance vehicle control and driver confidence.