Old Anvil Speed Shop's Billet Reservoirs for Wilwood Aluminum Tandem Master Cylinders offer a huge upgrade in quality over the standard plastic reservoirs and an even bigger upgrade in style. 
 
These reservoirs are CNC machined right here in our Orange, CA shop and are available in either black or grey anodize (raw aluminum or other colors available by request). 
 
Kit's include all nessisary gaskets and hardware to replace the original Wilwood plastic reservoirs.