Application1L Aluminum Coolant Overflow Tank Features-2mm OD \"screw-on\" hose barb Inlet -9/16-18UNF (6AN PORT) bottom and side drian hole -CNC billet alumibum filler neck 35mm ID -Dimension(Outline): 170mm(L) x 86mm(W) x147mm (H) -Wall thickness: 3mm -Material: 6061-T6 aluminum alloy Condition: 100% New and High Quality -Package Include: 1 * Aluminum Coolant Tank 1 * Billet Aluminum Cap -Warranty: one year warranty for any manufacture defectNotice- Please allow 2-3mm Measurement error - If there any questions, please feel free to contact us.