in order of performance level, then $$$$
Performance upgrade
Gturbo (Aus)
UFI - United Fuel Injection (Aus) well known for Nissan Patrol upgrades.
hit up ForealBoreal for his recipe
Minor upgrade
Mamba/mambatek (
ebay) choose carefully, they do different variants, not all skookum
Kinugawa (
ebay) same applies as above
1hd-fte CT26 turbo (use a 7mgte compressor housing, or stock 1hdfte for different intake hose configurations
CT26 hybrid - use Mellett CHRA for reliable core, 1hd-t turbine and housing, Supra 7mgte compressor wheel and housing, minor mods required
Stock replacements
Mellett CHRA, use your housings
Mamba/mambatek - Be careful to read the descriptions, some of their descriptions are off base, maybe just poor chinglish translation??
Kinugawa, as above
have yours rebuilt - this wont be the cheapest option