gt37r Hx40 ball bearing turbo 1.01 ar v band in and out turbine housing TDO4 M3 M4 turbo upgrade 1 compressor nut

1 compressor nut

K03 K04 Rebuild kit includes:

2009 Audi TT Base Convertible 2

Front piston ring seal

gt37r Hx40 ball bearing turbo 1.01 ar v band in and out turbine housing TDO4 M3 M4 turbo upgrade 1 compressor nutGt37r hx40 turbo 67mm by 84mm 7 blade billet compressor wheel 67mm by 74mm 10 blade hx40 turbine (custom made to fit into Garrett GT35r ball bearing design, Holset turbine wheels spool faster because they have a taller tip height, which reaches the exhaust flow earlier than other turbos) Ceramic dual ball bearing brass retainer upgrade (the older Garrett phenolic design commonly melts with excessive heat) ceramic balls are lighter to help spool time