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  See more parts for Subaru Impreza
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Tomei BX7960F EJ Single Scroll Ball Bearing Turbocharger Arms Kit Subaru WRX | WRX STI EJ20 | EJ25 Single Scroll 1994-2007 - TB403A-SB01D

Tomei TB403A-SB01D Turbocharger

The Tomei TB403A-SB01D is engineered for those looking to enhance their turbocharged Subaru performance. This turbocharger is specifically designed for the Subaru EJ25 and EJ20 Single Scroll engines, offering a blend of durability and efficiency that meets the demands of both street and track applications.

Multi Range Billet Actuator

This turbo features a robust multi-rate billet actuator constructed from forged billet material. It includes six springs, allowing for precise boost adjustments. You can combine up to three springs to tailor the boost pressure to your specific needs. The swivel-type nipple design facilitates easier hose routing, ensuring a cleaner installation.

Billet Compressor Wheel

The TB403A-SB01D incorporates a newly designed billet compressor wheel that significantly outperforms traditional cast designs. Crafted from aerospace-grade materials, this lightweight compressor wheel features thinner blades and a larger surface area, resulting in improved airflow and quicker turbo spool times.

Specifications

  • Model: Subaru EJ25 Single Scroll, Subaru EJ20 Single Scroll
  • Target Horsepower: 40 HP
  • Bearing Type: Ball Bearing
  • Initial Boost Setting: 1 Kgf/cm²
  • Compressor Wheel:
    • Inducer Diameter: 52 mm
    • Exducer Diameter: 68 mm
    • Trim: 6
    • Blades: 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

Installation Instructions

  • For detailed installation instructions, CLICK HERE.

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)
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2002-2007
 Subaru Impreza
2002-2003
 Subaru STI

Who is Tomei?

Tomei is one of the most recognizable brands when it comes to performance tuning. The company started in 1968 by Mr. Seiichi Suzuki and initially tuned race cars. Their concept is “To produce a great product for ultimate driving pleasure” which has translated into all their parts, making it a sought-after brand worldwide. Today, Tomei is used by various enthusiasts, tuners, professional drivers, and racers everywhere.

Racing Heritage

Tomei has its roots firmly attached to motorsports racing. With its experience in creating fast cars for decades, it was able to create parts that are considered as one of the most.sophisticated and technologically advanced parts in the market. Not only does it produce power. It ensures that it maintains its reliability as well.

The company offers a wide range of products, ranging from engine components such as camshafts, valve springs, pistons, connecting rods, cam gears, gaskets, limited slip differentials, exhaust systems, and more. Their parts are designed to perform well, not only on the streets, but on the track as well.

They have various race track records under their belt to prove it.

Purchase Tomei Products at Vivid Racing

If you want to upgrade the performance of your vehicle, then Tomei is the right brand for you. The company has consistently provided its customers with high-perfromance products that deliver what it promised. Using only the highest quality of materials available, which includes Titanium, they are able to develop parts that are strong and lightweight. This is the formula for a better performing engine. Visit Vivid Racing and check out their list of products that would fit your specific requirement.

















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