You could use the housing and transfer the workings from a 016 into it.
As to injectors make sure they are genuine
I know my ones are
https://www.classicswede.org/shop/ge...-vxr-injectors
Chips, no idea on how good any of the ones coming from the US are, since I have great working chips I have not found the need to go out and compare to others. What you do want to be wary of is some vendors of chips turn off the lambda function causing a fair drop in MPG
Turbo the 16t is too small really to warrant the injectors and MAF, the 19t is ideal size wise