SKU: 12747100017 | UPC: 840232711790
BorgWarner SuperCore Assembly EFR B2 8474 (Aluminum B. Hsg) Universal High-Performance Turbo Core
The BorgWarner SuperCore Assembly EFR B2 8474 with aluminum bearing housing forms the core of the high-flow EFR 8474 turbocharger for custom builds targeting 500-850 horsepower. This ball-bearing CHRA supports demanding applications on Subaru STI Mitsubishi Evo Nissan GT-R and other performance vehicles. Engineered for rapid spool and massive airflow it handles up to 65 lb/min compressor flow.
Key Features
- Dual Ceramic Ball Bearings: Cuts friction for quicker spool-up and higher shaft speeds up to 240000 RPM with proven durability over journal bearings
- 84mm Forged Milled Compressor Wheel: Delivers 65 lb/min max flow with 74mm exducer for broad efficiency across mid-to-high boost levels
- 74mm Gamma-Ti Turbine Wheel: Resists temperatures over 1050C with lightweight design for fast response in divided or undivided housings
- Aluminum Oil/Water-Cooled Center Housing: Lightweight construction reduces overall turbo weight while maintaining cooling for track endurance
- Extended Tip Height Compressor: Boosts map width for surge resistance and power across RPM range in 500-850 HP setups
Product Notes
- SuperCore assembly only turbine and compressor housings sold separately for custom configurations
- Factory balanced assembly requires no additional balancing for direct replacement
- Secure packaging protects components during transit
Installation Notes
- Professional installation recommended.
- Pair with EFR 8474 T4 turbine housing .82 A/R divided or 1.01 undivided and compressor cover
- Supply oil pressure 60-80 PSI and water cooling lines for optimal CHRA life
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2003-2015 | Mitsubishi | Lancer Evolution | Evo VIII/IX/X |
| 2009-2024 | Nissan | GT-R | R35 |
| 2016-2021 | Ford | Focus | RS |
| 2015-2021 | Volkswagen | Golf | R MK7 |
| Universal | Various | Custom Builds | 500-850 HP |
Why Choose BorgWarner?
- Direct OE supplier to global automakers with decades of turbo expertise
- Race-proven components trusted in NHRA drifting and rallycross
- Precision manufacturing ensures balance and fit for reliable boost
Frequently Asked Questions
- Q: Is this SuperCore a direct fit for my existing EFR 8474 turbo?
A: Yes it drops into any EFR 8474 housing as OEM replacement maintaining all original specs and performance - Q: What material is the bearing housing made from?
A: High-strength aluminum for reduced weight and improved heat dissipation compared to cast iron options - Q: What warranty coverage applies?
A: Backed by BorgWarner 1-year limited warranty when installed and maintained per guidelines
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: OEM protective box 13 x 13 x 13 inches
- Weight: 10.8 lbs
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