- Durable raw cast iron construction with zinc top finish
- Standard 1-inch bore diameter for optimal pressure
- Dual side ports (9/16-inch and 1/2-inch) for flexible plumbing
- Direct replacement for classic gm, chevrolet, and holden setups
- Compatible with disc/disc, disc/drum, and drum/drum systems
Engineered for dependable hydraulic performance, this original equipment style brake master cylinder is manufactured from durable cast iron featuring a protective raw finish with a zinc top. Designed with a standard 1-inch bore, it provides universal compatibility across classic GM, Chevrolet, and Holden braking systems. Dual mounting options with dual 9/16-inch and 1/2-inch side ports ensure versatile plumbing layouts for disc and drum setups.