67-72 Chevy GMC Truck Hydrobooster Disc/Disc Brake Booster Master Cylinder C10

Upgrade your 67-72 Chevy or GMC truck's braking system with our high-performance Hydrobooster Disc/Disc Power Brake Booster Master Cylinder Kit. This comprehensive kit includes a master cylinder with a 1 1/8" bore and a PV4 proportioning valve, designed specifically for disc/disc brake setups. ***(We also have PV2 Disc/Drum proportioning valves as well)*** The hydroboost system delivers significantly greater braking pressure compared to traditional vacuum boost systems, ensuring enhanced stopping power and control for your truck. Key Features: Compatibility: Designed for 1967-1972 Chevy and GMC trucks like C10 Performance: Hydroboost system provides superior braking pressure and control Master Cylinder: 1 1/8" bore for optimal fluid flow and braking efficiency Proportioning Valve: PV4 for balanced disc/disc brake applications Complete Kit: Comprehensive setup for seamless installation Durability: High-quality components for long-lasting performance