Overview 

The PSR 5455G DBB Forward Turbocharger is designed to deliver up to 660 horsepower, making it a great choice for high-performance street and motorsport applications. It features a dual ceramic ball bearing system that provides quicker spool-up, enhanced throttle response, and improved durability. The turbo is equipped with a 9-blade G-Aero billet compressor wheel and a 9-blade G-Aero Inconel 713C turbine wheel, offering excellent airflow efficiency and heat resistance. Its T51R-modified forward-facing compressor housing with an anti-surge ported shroud helps reduce compressor surge and improve boost stability. The unit includes an integrated speed sensor port for real-time monitoring and tuning. The turbine housing has a 0.72 A/R ratio with T3 style V-band inlet and outlet for a compact, secure fit and flexible installation options. The compressor side features a 4-inch hose inlet and 2-inch outlet optimized for efficient airflow. Additionally, the turbocharger has a water-cooled and oil-lubricated center housing to maintain thermal stability and lubrication, with standardized fittings like M14 x 1.5 water ports, a –4 AN oil restrictor, and a T3 oil drain flange for easy installation.

Features 

• 660 horsepower rating – suitable for high-performance street and motorsport use

• Dual ceramic ball bearing (DBB) system – enables faster spool-up, improved throttle response, and increased durability

• 9-blade G-Aero billet compressor wheel – provides efficient airflow and better boost control

• 9-blade G-Aero Inconel 713C turbine wheel – offers excellent heat resistance and durability

• T51R-modified forward-facing compressor housing – enhances turbo efficiency and reduces compressor surge

• Anti-surge ported shroud compressor inlet – stabilizes boost and prevents surge

• Integrated speed sensor port – allows real-time turbo speed monitoring for advanced tuning

• 0.72 A/R turbine housing – balances quick spool and high-end power

• T3-style V-band inlet and outlet – compact, secure, and flexible exhaust connection

• 4-inch hose inlet and 2-inch outlet compressor side – optimized for high airflow efficiency

• Water-cooled and oil-lubricated center housing – ensures thermal management and lubrication reliability

• Includes M14 x 1.5 water ports, –4 AN oil restrictor, and T3 oil drain flange – standardized fittings for straightforward installation