Nissan OEM.  

These Insulators are used for the Intercooler brackets, and piping. Keep your original collars because you will need to re-use them w/ the insulators.

Single item.

Total of 6 required for both intercoolers.
On each side, the main bracket requires 2, the support bracket needs 1.

Please be aware that Nissan / Nismo / Infiniti pricing is subject to change.