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

New 1" bore power brake master cylinder with front disc/rear drum 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 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: Front Disc / Rear Drum Quantity: Kit Learn more about the California Prop 65 warning included with LEED Brakes products.