Aluminum Coolant Expansion Overflow Tank - Ford Mustang 96-04 V8 Only Ford Mustang 96-04 V8 Aluminum Coolant Overflow Tank application: - 96-98 , 99-01 mustang cobra - 96-98 , 99-04 mustang gt - 03-04 mustang cobra / mach 1 -direct fit , same size like oem. no mods required -100 % high quality aluminum -refresh the look of the engine bay -holds 15 percent more coolant then oem note: this does not come with overflow tank cap approximate tank size : 15" length ( end tank to end tank ) x 6.5" width professional installation only