SKU: 12747100021 | UPC: 840232712063
BorgWarner SuperCore Assembly EFR B2 9274 (Aluminum B. Hsg)
The BorgWarner EFR B2 9274 SuperCore Assembly equips high-performance turbo systems with its complete core including compressor and turbine housings. Designed for custom installations on engines like Toyota 2JZ-GTE RB26DETT and GM LS it handles 650-1100+ horsepower with fast spool and high efficiency. This aluminum bearing housing unit supports extreme boost in drag racing and time attack setups.
Key Features
- Forged Billet Compressor Wheel: 74.3mm inducer 92mm exducer extended tip design delivers 110+ lb/min flow for massive power while maintaining quick response
- Gamma-Ti Turbine Wheel: 99mm inducer 74mm exducer resists 1050C exhaust gas temps for reliability in high-heat applications
- Dual Ball Bearing CHRA: Aluminum B2 housing with ceramic balls provides low friction 150000 RPM capability and instant boost buildup
- T4 Divided Turbine Housing: 0.85 A/R V-band flanges optimize twin-scroll flow for balanced spool and top-end power
- Anti-Surge Compressor Housing: 4-inch inlet 2.5-inch hose to 4-inch outlet ports ensure surge resistance in 50+ psi boost setups
Product Notes
- Assembled unit requires custom piping flanges and oil water lines for integration
- Inspect bearings and seals before installation for peak longevity
- Packaged to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Supply clean 90wt oil and coolant connections to bearing housing
- Uses standard T4 manifold V-band clamps sold separately
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | MKIV Turbo 2JZ-GTE |
| 1989-2002 | Nissan | Skyline | GT-R R32-R34 RB26DETT |
| 1997-2004 | Chevrolet | Corvette | C5 LS1 |
| 2005-2013 | Chevrolet | Corvette | C6 LS2 LS3 LS7 |
| 2004-2021 | Subaru | WRX STI | EJ25 High HP Builds |
Why Choose BorgWarner?
- Supplies turbo systems to Formula Drift and World Rally Championship teams
- Builds with aerospace-grade materials for consistent dyno results
- Engineers every component for precise airflow and heat management
Frequently Asked Questions
- Q: What horsepower range does the EFR 9274 SuperCore support?
A: Rated for 650-1100+ hp based on compressor map data and real-world motorsport use - Q: What material construction features the bearing housing?
A: Lightweight aluminum B2 frame size with dual ceramic ball bearings for reduced weight and high RPM - Q: Does this include turbine and compressor housings?
A: Yes complete SuperCore ships with T4 0.85 A/R divided turbine housing and large anti-surge compressor cover
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective foam-lined box 20 x 18 x 18 inches
- Weight: 24.5 lbs
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