High-quality replacement 34mm external dust boot for StopTech High Performance Brake Systems. Designed to protect caliper pistons from road grime, moisture, and debris, ensuring long-lasting seal life and optimal braking performance. This component is specifically engineered for StopTech ST-22, ST-40, ST-45, ST-60, and ST-65 calipers. It is also compatible with several OEM Brembo and Nissan/Infiniti brake systems utilizing 34mm pistons. Component List: - 1 x StopTech 34mm Dust Boot (Part No. 750.99002 / 135.99002)