HardDrive Master Cylinder Rebuild Kit for Old School Retro Hand Controls

HardDrive Master Cylinder Rebuild Kit for Old School Retro Hand Controls

Restore the brake feel and pressure consistency of your Old School Retro hand control system without replacing the full hardware. Fresh seals and internals extend service life and eliminate fluid weeping caused by worn components.

Key Features

• Replacement seal and internals set for the 9/16-inch brake master cylinder
• Designed specifically for HardDrive Old School Retro hand controls
• Restores brake feel and eliminates fluid leaks caused by degraded seals

Technical Specifications

• Compatible Master Cylinder Bore: 9/16 inch
• Compatible Part Numbers: 820-55350 (Chrome), 820-55351 (Black)

Fitment Notes

• Fits the 9/16-inch brake master cylinder in HardDrive part numbers 820-55350 and 820-55351 only
• Not compatible with other master cylinder sizes or brands
• Drain D.O.T. 5 brake fluid before disassembly; refill and bleed system after installation