Tomei Subaru Impreza WRX / STI (01-07) EJ20/25 Single Scroll Ball Bearing BX7960F Turbocharger Kit with Billet Actuator

The Tomei TB403A-SB01D is engineered for enthusiasts seeking enhanced performance from their Subaru turbocharged engines. This turbocharger features a multi-range billet actuator, ensuring precise boost control and responsiveness.

Multi-Range Billet Actuator
Constructed from reinforced forged billet material, the actuator includes six interchangeable springs, allowing for fine-tuning of boost levels. You can combine up to three springs to tailor the setup to your specific driving needs. The swivel type nipple facilitates flexible hose routing, minimizing installation challenges.

Billet Compressor Wheel
The TB403A-SB01D is equipped with a newly designed billet compressor wheel, which significantly outperforms traditional cast wheels. Machined from aerospace-grade materials, this lightweight component features thinner blades and an expanded surface area, resulting in improved airflow and quicker turbo spool times.

Specifications
Model Compatibility: Subaru EJ25 Single Scroll, Subaru EJ20 Single Scroll
Target Horsepower: 40 HP
Bearing Type: Ball Bearing
Initial Boost Setting: 1.0 Kgf/cm
Compressor Wheel:
Inducer Diameter: 52 mm
Exducer Diameter: 68 mm
Trim: 6
Blade Count: 6
Material: A261
Production Method: CNC Billet
Turbine Wheel:
Inducer Diameter: 61 mm
Exducer Diameter: 54 mm
Trim: 7
Material: K41
Production Method: Cast
Compressor Housing:
Inducer Diameter: 53.4 mm
Exducer Diameter: 44 mm
A/R: 0.78
Turbine Housing:
Inducer Diameter: 45 mm
Exducer Diameter: E
A/R: 0.57

Fitment
Subaru WRX EJ20 Single Scroll (1994-2007)
Subaru WRX STI EJ20 Single Scroll (2001-2007)
Subaru WRX EJ25 Single Scroll (2002-2007)
Subaru WRX STI EJ25 Single Scroll (2001-2007)