Check the listing for details. Wilwood Style Adjustable Proportioning Valve Bottom Mount with Brake Lines. Condition: New. Listed at 63.99 USD. Upgrade your braking system with this adjustable proportioning valve, designed for precision brake bias control. This bottom-mount valve is engineered for easy installation and includes high-quality brake lines, ensuring optimal performance in your vehicle's braking system. Perfect for fine-tuning front-to-rear brake balance, it’s a versatile choice for custom and performance applications. Ideal for enthusiasts looking to improve braking efficiency and safety in their vehicle. ***This bracket is designed for the corvette-style master cylinder. Master cylinder NOT included*** ***Your choice of yellow zinc or black powder coated bracket*** (5) 3/8" Ports 2 INLETS 3 OUTLETS 2 Wire Brake Light Sensor WireSensor Wire Boot(5) 3/8"-24 Brake Line Fittings IncludedBlack Finishmounting bracket included