PLM Infiniti Q50 Q60 Coolant Expansion TankMore fluid = lower temperature! PLM Private Label Mfg. coolant expansion tank holds 70% more fluid for your heat exchanger and 28% more than the factory radiator coolant tank. This coolant tank will significantly reduce intake charge temps allowing you to keep all the power. Installation is 100% bolt on and only require basic hand tools. Powder coated black to give it that stealth look. Holds 70% more heat exchanger fluid Holds 28% more radiator