This is a complete set of all three Old Anvil Speed Shop reservoirs including crankcase breather, coolant overflow and hydraboost power steering reservoir. Kit can be ordered with or without mounting plates. 
 
Proudly made right here in our Orange, CA shop!
 
Available in raw aluminum with custom cerakote finishes available by request. 
 
Coolant Res Part Specifications:
Bottom Thread Size: -6 ORB (x2)
Body O-Rings: 2-1/2" ID, 2-3/4" OD (x2)
Cap O-Ring: 1-1/8" ID, 1-3/8" OD
 
Hydraboost Res Part Specifications:
Bottom Thread Sizes: -6 ORB (x2), -10 ORB
Body O-Rings: 2-1/2" ID, 2-3/4" OD (x2)
Cap O-Ring: 1-1/8" ID, 1-3/8" OD
 
Breather Res Part Specifications:
Top Thread Sizes: -6 ORB (x2)
Bottom Thread Size: 1/4" NPT (drain petcock included)
Body O-Rings: 2-1/2" ID, 2-3/4" OD (x2)