GM Master Cylinder with Disc/Drum Proportioning Valve Disc Brake Kit 1" Bore

Upgrade your braking system with this Corvette-style master cylinder and PV2 proportioning valve kit , designed for GM universal applications . Featuring a 1" bore , cast iron construction , and 4-port design with 9/16" & 1/2" ports on both sides , this kit ensures proper brake balance for disc/drum setups .

Key Features:

• 1" bore for strong braking performance
• 4-port master cylinder with 9/16" & 1/2" ports on both sides
• Includes PV2 proportioning valve for proper disc/drum pressure distribution
• Plugs included for unused ports
• Piston adapter allows for manual or power brake applications
• Durable cast iron construction for longevity

Perfect for GM disc/drum brake conversions!