At DMG Motorsports, we present the All Balls Racing Rear Master Cylinder Rebuild Kit (SKU 21-81138) — a complete repair solution designed to bring a leaking or under-performing rear brake master cylinder back to like-new condition. Instead of paying for a full replacement master cylinder assembly, this kit gives you every wear component needed to properly re-seal the unit, restoring firm brake feel and reliable stopping power. All Balls Racing is trusted throughout the powersports industry for delivering thorough, application-specific rebuild kits, and this rear master cylinder kit is no exception — it takes the guesswork out of sourcing individual seals and hardware for your repair.

Features:

• Complete rebuild kit contains all the parts needed to re-seal a leaking rear master cylinder
• Includes cup seals, copper washers, O-rings, and replacement screws where applicable for a thorough repair
• Designed to restore consistent brake performance and eliminate fluid leaks at the master cylinder
• Application-specific fitment ensures proper sealing and reliable operation after installation
• Convenient all-in-one kit saves time and cost versus purchasing a full replacement master cylinder
• Backed by All Balls Racing, a trusted name in aftermarket powersports brake and clutch components

Fitment