This is a Zakustech/Zociety car show for any import vehicle they support. All Datsuns and Nissans and a few other import manufacturers.
Here are their websites so you get a better idea of what they do:
https://zakustech.com/
https://zociety.org/
There will be many, many Datsuns attending! Hoping to have HNRS, Datsmo, Datsun Garage as some of the vendors to name a few in the Datsun world. There will be other vendors as well, along with free tacos and drinks and there will also be a live DJ playing music throughout the show!