Description
A deteriorating master cylinder is a ticking time bomb for your braking system—loss of pedal pressure, sponginess, and eventual complete failure are inevitable without intervention. This GMA Engineering rebuild kit restores your 5/8″ master cylinder to OEM performance standards with factory-spec seals and components, eliminating the need for a costly replacement unit. Whether you’re maintaining a daily driver or keeping a race car competition-ready, a proper rebuild delivers the confidence that comes with a responsive, predictable brake pedal.
- 5/8″ bore size
- Complete seal kit
- U.S.A. manufactured
- OEM-equivalent quality
- Bolt-on installation
- GMA Engineering brand
- MPN: RBK-4
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