HardRace Brake Master Cylinder Stopper BLACKHardrace Brake Master Cylinder Stopper Improved Pedal Feel for Subaru. This Hardrace master cylinder stopper is designed to reduce firewall flex under heavy braking, giving your WRX or STI a firmer, more consistent pedal feel. By reinforcing the brake master cylinder mounting point, it helps maintain stable hydraulic pressure during sudden or repeated braking, improving driver confidence on both street and track. Features Durable, high strength
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols