Circuit Sports new V2 aluminum coolant reservoir tank for the Mazda Miata MX5 NB . New features on the NB V2 includes the follow:

• Relocated inlet port
• Laser engraved CS logo 
• Improved fit and finish

We kept all the good qualities of the old tank like the clear viewing tube but updated everything else. This tank would be the perfect solution to replace the worn/dull, OEM tank and is also a direct replacement of the OEM unit. Circuit Sports tanks utilizes the factory brackets for an easy installation. Dress up the aesthetic look of your engine bay with the new V2 coolant tank.