Tomei ARMS T390M TURBINE KIT EJ SINGLE SCROLL for JDM: GDB A-B/GDA A-G/GRF/GVF & USDM: WRX 01-07/WRX STI 04+ THROTTLE/INTAKE/EXHAUST we have studied the characteristics

we have studied the characteristics of heat expansion in aluminum with many prototypes and countless hours on the engine bench dynamometer

1mm Thickness 2 Piece SET 563019 Friction Disc (Internal Teeth) Kit Standard Standard Thickness 2 Piece SET 563047 Spring Disc (Teethless) Kit Standard Standard Thickness 2 Piece SET 563020 Pressure Ring Set 2way Standard Part 2 Way TFATF 563007 Over Haul Kit Plate

※ECR33: 1st

TRIM INNER DIA

The wall thickness at the crown of the shell is thicker than the wall at 3/8″ down from the parting face

Tomei ARMS T390M TURBINE KIT EJ SINGLE SCROLL for JDM: GDB A-B/GDA A-G/GRF/GVF & USDM: WRX 01-07/WRX STI 04+ THROTTLE/INTAKE/EXHAUST we have studied the characteristicsNew option of performance turbo for EJ Single Scroll! The all new T390M turbo kit designed to best perform especially with EJ20 Single Scroll. It comes with the same billet compressor wheel as the existing T440M turbo but covers wider range of different needs while the T440M turbo kit is mainly for tuned EJ25 and long stroked EJ22 EJ26. PRODUCT INFO APPLICATION TYPE P N NOTES EJ20 25 Single Scroll Please see the table below. T390M 173034 TOMEI Turbo