Wilwood's new Billet Aluminum Master Cylinder Fluid Reservoir provides a stylish and durable 4 ounce reservoir that is manufactured from billet aluminum. These reservoirs can be direct mounted to Wilwood’s Compact Remote Master Cylinder body utilizing the internally threaded reservoir support with the 11/16-20 thread adapter (Part # 220-12943) or as remote mount reservoir using the mounting bracket and 3/8-24 thread -3 AN fluid connector adapter (Part # 220-12942), available separately . Stainless steel flex lines in various lengths are available separately for remote mounting. Reservoir kit assembly includes Billet aluminum cap and seal. If replacing the stock master cylinder, additional brake line plumbing may be required.