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SKU: 12919097000 | UPC: 840232715309
BorgWarner SuperCore Assembly EFR 9174 Aluminum Housing - Universal Turbo Build
The BorgWarner EFR 9174 SuperCore Assembly with aluminum housing forms the heart of a high-performance turbocharger system rated for 500-900 HP applications. This pre-assembled unit includes the Gamma-Ti compressor wheel, Inconel turbine wheel, and dual ball bearing cartridge inside a lightweight aluminum compressor housing. Ideal for custom turbo setups on inline-6, V8, and rotary engines in drag racing, time attack, and high-horsepower street cars.
Key Features
- Gamma-Ti Compressor Wheel: 67mm inducer / 91mm exducer design with extended tip technology flows 110+ lbs/min for massive boost potential without surge.
- Inconel Turbine Wheel: 74mm inducer / 66.4mm exducer withstands extreme exhaust temperatures up to 1050°C for reliable power delivery.
- Dual Ceramic Ball Bearings: Supports 240,000+ RPM operation with minimal friction, enabling faster spool-up and longer service life under high stress.
- Aluminum Compressor Housing: V-band inlet/outlet clamps provide easy installation and compact footprint for tight engine bays in performance vehicles.
- Oil and Water Cooled CHRA: Ensures consistent temperatures and extends bearing life in demanding motorsport environments.
Product Notes
- SuperCore requires separate turbine housing selection based on A/R and inlet style for complete turbo assembly.
- Use high-quality synthetic oil and proper feed/drain lines for optimal performance and longevity.
- Special order item ships directly from BorgWarner distribution.
Installation Notes
- Professional installation recommended.
- Requires custom intercooler piping, wastegate, and tuning for safe operation.
- Compatible with T4 divided or V-band turbine housings sold separately.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | Turbo |
| 1989-2002 | Nissan | Skyline | GT-R |
| 2004-2021 | Subaru | Impreza WRX STI | All |
| 1996-2005 | Nissan | 300ZX | Twin Turbo |
| Universal | GM | LS-Series | High HP Builds |
| Universal | Honda | K-Series | Drag/Tuner |
Why Choose BorgWarner?
- Global leader supplying turbos to Ford, GM, VW, and motorsport teams.
- Proven in NHRA, Formula Drift, and World Rally Championship wins.
- Precision CNC machining and balanced assemblies for consistent results.
Frequently Asked Questions
-
Q: What horsepower range does the EFR 9174 SuperCore support?
A: Rated for 500-900 HP depending on turbine housing A/R, engine displacement, and tuning setup. Perfect for single turbo conversions on 2.0L to 4.0L engines. -
Q: What compressor housing is included?
A: Lightweight cast aluminum housing with 4-inch anti-surge V-band inlet/outlet ports and internal 0.55 A/R for broad efficiency map. -
Q: What is the warranty and support?
A: Backed by BorgWarner limited warranty when installed by certified shop. Includes tech support for housing matching and boost control.
Shipping & Handling
- Method: UPS Ground / FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-packed box measuring 14 x 14 x 14 inches
- Weight: 17.6 lbs
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