Tomei ARMS BX8265 Single-Scroll Ball-Bearing Turbocharger Kit Compatible with WRX/STI EJ20/EJ25 Engine, CNC Billet Compressor, 450 HP Capable

Upgrade your compatible EJ-series 2.0–2.5 L engine with the ARMS BX8265 single-scroll turbocharger kit — engineered for improved airflow, quicker spool-up, and reliable boost delivery. The kit includes a CNC-machined billet compressor wheel for superior induction efficiency compared to stock or cast wheels, resulting in better throttle response and enhanced engine performance. With a ball-bearing center section, this turbocharger delivers smooth and consistent boost across the RPM range, making it suitable for both street-driven and performance-focused builds. Supplied as a complete bolt-on package, this turbo kit includes the necessary compressor and turbine housings, oil supply/return lines, gaskets, studs, and all standard installation hardware — offering a straightforward upgrade path for compatible EJ engines seeking a forced-induction performance boost.

• 450 HP Performance Potential – engineered to support significant power gains while maintaining responsive boost and drivability.
• CNC Billet Compressor Wheel — precision-machined for improved airflow, stronger construction, and faster turbo response compared with standard cast wheels.
• Ball-Bearing Turbocharger Design — ensures quicker spool-up, consistent boost delivery, and greater durability under high RPM or boost pressure.
• Adjustable Multi-Rate Billet Actuator — includes multiple springs so you can customize boost pressure and adapt to varying performance goals or tuning requirements.
• Complete Bolt-On Kit — includes all needed housings, oil lines, gaskets, studs, and hardware, simplifying installation for compatible EJ single scroll engine setups.