Our Coolant Reservoir is constructed with 5052 aluminum with integrated internal baffles which provide proper flow to allow more than 20% more coolant volume over stock. The billet-machined sight glass is located conveniently on the face of the reservoir for easy viewing through the high temp/UV resistant material. 
Holds 20% more coolant volume than stock  
High Temp/UV resistant sight glass for easy coolant level reading with Min and Max marker lines (Check/fill at ambient non-running temp) 
Pressure/Leak tested to 30PSI  
Available in Black Cerakote finish only
Internally baffled for proper flow 
Direct OEM replacement 
Pressurized Fill Cap/6061-T6 Billet Filler Neck  
5052/6061 Welded aluminum assembly 
6061 Billet Aluminum sight glass 
Replacement 3/8" ID Hose for Turbo Coolant Line 
Oetiker clamps for reattachment included (Pinch Clamp Tool not included)  
 Note: No engine coolant is provided with purchase.