I am looking to build and upgrade my turbo for max towing.

What are the best parts to add when building?

Sizes, materials, kits, and such.

Currently thinking of 63mm comp wheel and housing (Spoollogic) 67mm turbine and housing. (Turbo lab for the shaft and wheel) and having the locally housing machined nitride coated nozzle ring kit.

SPturboost severe-duty rebuild kit because of the stepped compression style piston ring total seal, more oversized grooved bearings, and wing cut 360 deg—thrust bearing.

I've already purchased the City Diesel Actuator. (Thanks DDP)

Any recommendations or things or suppliers to steer clear of?

I appreciate any help you can provide.