Premium GM master cylinder featuring a 1" (25.4 mm) bore and durable cast iron construction, engineered to provide consistent, dependable braking performance for both street and performance applications.
Equipped with four 3/8" ports to simplify brake line connections. Either side of the master cylinder can be utilized for line routing, while the opposite side can be plugged, offering flexible installation options for a wide range of custom and OEM brake systems.
Engineered for compatibility with both Disc/Disc and Drum/Disc brake systems, with or without a brake booster, making it a versatile solution for numerous GM vehicles, hot rods, and brake conversion projects.
Outlet ports are positioned on both sides of the master cylinder to enable straightforward, flexible routing of brake lines, regardless of firewall, frame, or under-floor installation configuration.
- Bore: 1" (25.4 mm) for strong, consistent hydraulic pressure
- Number of chambers: 2 (dual-circuit master cylinder for enhanced safety)
- Flange bolt spacing: 3.25" (82.55 mm) compatible with common GM mounting patterns
- Port thread 1: 3/8"-24, female, inverted flare
- Port thread 2: 3/8"-24, female, inverted flare
- Port outlet side: Driver and passenger sides for flexible line routing
- Material: Cast iron for high strength, durability, and extended service life
- Surface finish: Natural
- Brand: RPC
Supplied complete with lid and ready for integration into the vehicle's brake system, suitable for replacements, performance upgrades, and custom brake configurations.
