TOMEI TB401A-SB01B Turbocharger Kit Arms Ej Single Scroll MX7960 Billet Actuator

( Brand: Tomei ), ( Manufacturer Part Number: TB401A-SB01B ), ( Type: Turbocharger ), ( Item Width: 15.00 ), ( Fitment Type: Performance/custom )

Review TOMEI Turbocharger Kit For Arms Ej Single Scroll Billet Actuator

The Tomei TB401A-SB01B Turbocharger Kit for ARMX7960 EJ Single Scroll Billet Actuator is a high-performance upgrade for your Subaru Impreza WRX or STI engine. This turbocharger kit is specifically designed for the EJ20 and EJ25 engines, providing a significant power boost and enhanced driving experience.

The Tomei TB401A-SB01B kit includes a billet actuator that is known for its durability and precision. The single scroll design improves airflow and reduces turbulence, resulting in smoother power delivery and improved throttle response. The actuator also features a billet construction, which ensures a precise fit and long-lasting performance.

The turbocharger itself is a high-performance unit that delivers impressive boost levels. It features a Tomei ball-bearing turbine and compressor, which provide excellent efficiency and durability. The compressor housing is made from high-strength cast aluminum, and the turbine housing is made from high-strength cast steel. The result is a turbocharger that can handle high boost levels and prolonged use, making it ideal for performance applications.

The kit also includes a wastegate, which is a critical component of the turbocharger system. The wastegate helps regulate boost pressure and prevent damage to the engine. The Tomei wastegate is made from high-quality materials and features a precise design, ensuring reliable and consistent performance.

The Tomei TB401A-SB01B Turbocharger Kit for ARMX7960 EJ Single Scroll Billet Actuator is a complete upgrade solution for your Subaru Impreza WRX or STI. It provides significant power gains, improved throttle response, and enhanced driving experience, making it an excellent choice for those seeking high-performance upgrades. With its durable and precise components, this kit is built to last, ensuring long-term reliability and enjoyment.

Pros and Cons of Buying Tomei TB401A-SB01B Turbocharger Kit for ARMs MX7960 EJ Single Scroll Billet Actuator

a. High Performance: The Tomei turbocharger kit is known for delivering excellent power gains, making it a popular choice among car enthusiasts. It provides a significant increase in horsepower and torque, resulting in improved engine performance.

b. Billet Actuator: The billet actuator is a high-quality component that offers better durability and reliability than standard actuators. It also provides quicker response time, resulting in smoother power delivery.

c. Single Scroll Design: The single scroll design of the turbocharger ensures efficient airflow and reduces turbo lag, which leads to improved acceleration and overall driving experience.

d. High-Quality Components: Tomei is a reputable brand in the performance automotive industry, and their turbocharger kit comes with high-quality components that ensure long-lasting performance.

a. Expensive: The Tomei turbocharger kit is a high-performance aftermarket part, and as such, it comes with a premium price tag. This may not be an ideal option for those on a tight budget.

b. Installation Complexity: Installing the Tomei turbocharger kit requires a significant amount of technical expertise and experience. It is recommended to have the kit installed by a professional mechanic to ensure proper installation and functioning.

c. Potential for Increased Emissions: The increased power output of the turbocharger may result in increased emissions, which could be a concern for those living in areas with strict emission regulations.

The Tomei TB401A-SB01B turbocharger kit for ARMs MX7960 EJ Single Scroll Billet Actuator is a high-performance aftermarket part that delivers significant power gains and improved engine performance. Its billet actuator offers better durability and reliability, while its single scroll design ensures efficient airflow and reduced turbo lag. However, its premium price tag and complex installation process may not be ideal for those on a tight budget or without the necessary expertise.

If you are an ARMs MX7960 EJ engine owner looking for significant power gains and improved engine performance, the Tomei TB401A-SB01B turbocharger kit is an excellent option to consider. However, it is recommended to have the kit installed by a professional mechanic to ensure proper installation and functioning. Additionally, if budget is a concern, consider evaluating other aftermarket turbocharger options that offer similar performance at a lower price point.

Details:

6 springs included. Combine up to 3 springs find the perfect set. Multi Rate Billet Actuator Large capacity, reinforced forged billet construction. For listings with free shipping, it only applies within the continental 48 states.

Swivel type nipple allows for greater freedom when routing hoses. Includes a total of springs for fine boost adjustment. Engine: EJ20/25.

part #: tb401asb01b prices

• $999.00-$1580.00

specifications turbiparts:

• brand: Tomei
• mpn: Tb401a-sb01b
• type: Turbocharger
• item width: 15.00
• fitment type: Performance/custom

general turbiparts:

• condition: New
• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts

offer turbiparts:

• sold: 0
• availability: In Stock
• started: March 4, 2026
• quantity: 4
• options: Ship-to-home

returns turbiparts:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments turbiparts:

• credit card: Diners-club
• other
• wallet: Paypal

seller turbiparts:

• # reviews: 72649
• rating: 99.5%
• city: Wrightstown, Wisconsin

shipping turbiparts:

• transit: 2-6 Days
• service: Standard
• cost: $0.00
• type: Fixed
• class: Standard

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