[winders]

I like the Deutsch Autosports connectors for the harness to ECU.

https://www.milspecwiring.com/AS014-19SN_p_241.html

For all the other connectors, I like to use Deutsch DTM connectors:

https://www.milspecwiring.com/Connector-Parts_c_511.html

I also prefer using solid pins but you need the really good cropping tool for them.