Master Cylinder Kit - 1 inch Bore left port with side mount proportioning valve - Disc/Disc

New 1" bore power brake master cylinder with 4-wheel disc proportioning valve. This kit provides a clean, factory-style solution for adding a power brake master cylinder with the correct matching proportioning valve for balanced disc/disc braking performance. Master Cylinder Kit Specifications: Master Cylinder Bore Size: 1 in Bowl Design: Dual Master Cylinder Material: Cast Iron Master Cylinder Finish: Natural Reservoir Included: Yes Reservoir Material: Cast Iron Master Cylinder Cap Included: Yes Configuration: Left port with side-mount proportioning valve Application: 4-Wheel Disc (Disc/Disc) Quantity: Kit Learn more about the California Prop 65 warning included with LEED Brakes products.