Thread: Best Swap for 200sx?

So I came across these two choices for an engine swap on my 96 20sx ser... the silvertop seems sketchy. but the neo vvl seems legit. what else will I need once I order the engine? a harness and ecu? i already have a JWT ECU.
Silvertop- JDM Engine Depot

NeoVVL - JDM Engine Depot

Thanks!