Polished Aluminum Fabricated 3x8 Overflow HEX Coolant Expansion Tank Reservoir ALSO works with Alcohol Methanol Injection - Custom Hot Rod Ford Mustang Dodge Charger Chevy Camaro Perfect for alcohol/methanol injection expansion tanks as well as coolant overflow tanks! Machined from 6061-T6 aluminum and polished to a mirror finish. Ball valve, mounting bracket, assembly/mounting hardware and (2) fittings (pictured) included. It has a capacity of 29 fluid ounces. The shape of the tank and location of the mounting bracket make for an easy installation in any application. Dimensions of overflow tank:Tank Length = 8-1/4 inches Tank Width = 3-5/8 inches Overall: Length = 9-1/8 inches Width = 3-5/8 inches Height = 4-1/4 inches