Performance Turbochargers JRSPEC K04 for Audi RS4 2.7T ASJ AZR

The JRSPEC K04 turbocharger kit has been developed to increase the performance of Audi 2.7 V6 BiTurbo engines. This high-quality twin turbo kit is the ideal solution for high-performance engine builds, providing increased airflow and greater power potential.

Each turbocharger features a forged billet compressor wheel, an enlarged turbine assembly, and an upgraded high-performance bearing system, allowing reliable operation at increased boost pressures while ensuring excellent durability under demanding conditions.

Thanks to the use of premium-quality components, this kit is an excellent upgrade for both factory K03 and K04 turbochargers, offering a power potential of 450-500 HP, depending on the intake, exhaust, fuel system modifications and professional ECU calibration.

Product Features

• Complete twin turbocharger kit
• Direct replacement for OEM K03 and K04 turbochargers
• Forged billet compressor wheels
• Enlarged turbine assembly for increased airflow
• Upgraded high-performance bearing system
• Designed for increased boost pressure
• High resistance to thermal and mechanical loads
• Power potential of 450-500 HP with supporting modifications

Recommended Supporting Modifications

To achieve the full performance potential, the following upgrades are recommended:

• High-performance intercooler
• Performance intake system
• High-flow exhaust system
• Upgraded fuel injectors and fuel system
• Custom ECU tuning

Vehicle Compatibility

• Audi RS4 B5 - 2.7 V6 BiTurbo AZR, ASJ - 380 HP - 2000-2001
• Audi S4 B5 - 2.7 V6 BiTurbo AGB, APB, AZB - 265 HP - 1997-2002
• Audi A6 C5 Quattro - 2.7 V6 BiTurbo AJK, APB, ARE, BES - 230-250 HP - 1999-2005
• Audi Allroad Quattro C5 - 2.7 V6 BiTurbo ARE, BES, BEL, APB - 250 HP - 2000-2005

Note: This turbocharger kit is intended for performance applications. Power output depends on engine configuration, supporting modifications and proper ECU tuning. Professional installation and ECU calibration are strongly recommended.