SKU: 11639880005 | UPC: 840232703429
BorgWarner Turbocharger EFR B1 7163F 0.85 A/R VOF WG for WRX STI 2JZ SR20DET LS1
This BorgWarner EFR 7163 turbocharger features a ball bearing CHRA and 0.85 A/R T4 divided V-band turbine housing for rapid boost response across the powerband. It suits performance upgrades on Subaru WRX STI Nissan 240SX Toyota Supra and Chevrolet Corvette with T4 divided manifolds delivering up to 750 horsepower. The high-flow compressor and durable construction handle demanding street and track use.
Key Features
- Dual Ceramic Ball Bearing CHRA: Reduces friction for spool under 3000 RPM and supports 200000+ RPM operation with oil and water cooling
- 0.85 A/R T4 Divided Turbine Housing: V-band inlet and outlet promote quick low-end torque while allowing high top-end exhaust flow
- V-Band Flanges Throughout: Enables bolt-on connections with leak-proof seals and easy disassembly for maintenance
- Forged Milled Compressor Wheel: 71mm Gamma-Ti inducer flows 71 lb/min air for 425-750 HP on 1.8L-4.0L engines
- Investment Cast Turbine Wheel: 63mm exducer with modern aero design resists heat and fatigue for reliable power gains
Product Notes
- VOF wastegate flange supports external wastegates like TiAL or Turbosmart for precise boost control
- Ni-Resist turbine housing withstands extreme EGTs over 1600F
- Securely packaged for safe transit with fragile handling instructions
Installation Notes
- Professional installation recommended.
- Supply 50-80 PSI regulated oil pressure with 10w40 or synthetic oil and unrestricted -10 AN drain
- Uses standard T4 divided flange manifold V-band clamps not included
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2021 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 1993-1998 | Toyota | Supra | 2JZ-GTE |
| 1989-2002 | Nissan | 240SX | SR20DET |
| 1997-2004 | Chevrolet | Corvette | C5 LS1 |
| 2007-2020 | Nissan | 350Z | 3.5L V6 |
Why Choose BorgWarner?
- Supplies OEM turbos to Ford BMW Volkswagen and Porsche
- Race-proven in NHRA Formula Drift and World Rally Championship
- CFD-engineered components validated on dyno and track
Frequently Asked Questions
-
Q: What engines does the EFR 7163 fit best
A: Ideal for 1.8L-4.0L inline-4 inline-6 and V6 gasoline engines in WRX STI 2JZ-GTE SR20DET and LS swaps using T4 divided manifolds -
Q: What materials are used in construction
A: Gamma-Ti compressor wheel Inconel turbine wheel Ni-Resist turbine housing and aluminum compressor cover for heat and corrosion resistance -
Q: What warranty coverage applies
A: 12-month unlimited mileage warranty on defects covers CHRA turbine and compressor when installed by certified shop
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Original BorgWarner box 18 x 16 x 16 inches
- Weight: 24 lbs
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