Description
If you’re building a dedicated race car or upgrading to a high-performance braking system, brake feel and modulation depend on the right master cylinder. The Wilwood GS Compact delivers responsive pressure control in a space-efficient package, making it ideal for tight engine bays and custom installations where standard units won’t fit. Its integral reservoir design eliminates external plumbing complications while the die-cast aluminum construction handles the demands of road racing, circuit work, and weekend track days.
This master cylinder pairs refined internal geometry with a quick-release mechanism that prevents brake lag. Whether you’re running a custom brake line layout or upgrading an existing system, the 0.625-inch bore strikes a balance between pedal travel and pressure output—giving you the control you need without excessive foot effort.
- 0.625-inch bore
- 1.25-inch stroke
- Die-cast aluminum body
- Black anodize finish
- Integral reservoir included
- Compact design profile
- Quick-release mechanism
- High-pressure construction
- Part #260-15096






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