HDB SDG 019 Choppers, rebuild kit. 1/2" (12.7mm)

This rebuild kit from Wannabe Choppers is the essential stock replacement for maintaining your hydraulic WannaBrake master cylinder. It comes as a complete kit featuring a 1/2-inch (12.7mm) piston along with all the necessary seals and screws to restore your braking performance to factory standards. Whether you are dealing with a spongy lever or a minor leak, this kit provides everything required for a professional-grade overhaul. Designed specifically for the WannaBrake line, it ensures a perfect fit and reliable operation for your custom setup. Keeping your master cylinder in top shape is critical for safety, and this high-quality kit makes the maintenance process straightforward for any mechanic or garage builder.