Speedway Motors GM Corvette Style Cast Iron Master Cylinder, 1 Inch Bore, Dual Outlet Design with 1/2-20 and 9/16-18 Ports, Compatible with Disc/Drum or Disc/Disc Brake Systems

Universal GM Corvette style cast iron master cylinder with a 1" bore size. Compatible with Disc/Drum or Disc/Disc. Includes a piston adapter that will allow for power or manual brake systems. Has 9/16" and 1/2" ports on both sides of the master cylinder. Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

• Universal GM Corvette Style Design: High-quality cast iron master cylinder designed for GM and Corvette-style brake systems, ideal for custom, hot rod, or restoration builds.
• 1-Inch Bore Size: Features a precise 1-inch bore that provides balanced hydraulic pressure and smooth, consistent braking performance.
• Dual Port Configuration: Equipped with 1/2"-20 and 9/16"-18 threaded ports on both sides for flexible line routing and easy installation.
• Power or Manual Compatibility: Includes piston adapter for use with either power-assisted or manual brake systems, ensuring broad application coverage.
• Durable Cast Iron Construction: Built for strength and reliability, offering long-lasting performance under demanding driving conditions.