BorgWarner 12707107007 EFR 8370 Turbo Cartridge with Iron Bearing Housing

The BorgWarner 12707107007 is an EFR 8370 turbocharger cartridge featuring an iron bearing housing, designed for high-performance racing applications. This cartridge is part of BorgWarner's acclaimed Engineered for Racing (EFR) series, engineered to deliver exceptional power output in the 475-700 horsepower range while maintaining rapid spool response.

Key Features:

• Iron bearing housing construction for enhanced durability
• Dual row ceramic ball bearing assembly with metal cage for lowest friction and fastest spool response
• 70mm Gamma-Ti (Gamma Titanium) turbine wheel that reduces inertia by approximately 50%
• 61mm inducer / 83mm exducer forged milled extended tip compressor wheel
• Capable of 79 lb/min airflow and 45+ psi boost pressure
• Water-cooled center section with 14mm banjo bolt provisions
• Double seals on both turbine and compressor ends for extreme durability
• Built-in oil control orifice eliminates need for external oil restrictor
• Optimized pairing of EFR 8374 compressor with EFR 7670 turbine components

The EFR 8370 represents an ideal middle ground between the 7670 and 8374 models, providing the high-pressure ratio capabilities needed for demanding applications while avoiding overspeeding issues. This cartridge configuration allows for custom turbine housing selection to match specific performance requirements. Suitable for single turbo applications targeting 475-700 HP or twin turbo setups exceeding 1300 HP.