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BorgWarner Super Core EFR B1 6758 - Black Ops Auto Works
BorgWarner Super Core EFR B1 6758 - Black Ops Auto Works
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BorgWarner Super Core EFR B1 6758

BorgWarner
BWA179375
840232704648
Super Core Assemblies
14 Units In Stock - Ships Next Business Day
$ 2,185.66 $ 1,729.12
$ 1,729.12

SKU: 179375 | UPC: 840232704648

BorgWarner Super Core EFR B1 6758 Turbocharger Core Assembly

The BorgWarner Super Core EFR B1 6758 is the center rotating assembly for the EFR 6758 turbocharger series including compressor and turbine wheels with CHRA. It suits custom performance builds on 2.0L to 3.0L engines using B1 frame housings like T3 inlet and V-band or T4 outlet options. This core provides fast response low-end boost and high efficiency across 450 to 675 horsepower range.

Key Features

  • Dual Ceramic Ball Bearings: Cuts friction for quicker spool-up and extended service life under high boost
  • Forged Milled Compressor Wheel: 67mm inducer 87.7mm exducer Gamma-Ti design flows 58 lb/min for broad efficiency map
  • Gamma Turbine Wheel: 66.1mm inducer 58mm exducer handles 55 lb/min exhaust with durable high-temp coating
  • Oil and Water Cooled CHRA: Maintains stable temperatures in demanding street and track conditions
  • B1 Frame Compatibility: Matches T3 0.64 A/R turbine housing V-band 0.85 A/R compressor covers and more

Product Notes

  • Super core assembly only compressor and turbine housings required separately for complete turbo
  • Build for racing or high-performance street use direct replacement for worn EFR 6758 cores
  • Standard shipping applies no core charge or return required

Installation Notes

  • Professional installation recommended.
  • Assemble with matching BorgWarner EFR B1 housings and gaskets
  • Compatible with standard turbo mounting hardware oil feed M12x1.5 water ports M14x1.5

This Part Fits

Year Make Model Submodel
2004-2021 Subaru Impreza WRX STI
1989-1998 Nissan 240SX S13 S14 SR20DET
1993-1998 Toyota Supra 2JZ-GTE
1990-2005 Nissan Skyline R32 R33 R34 RB26DETT
2006-2015 Mitsubishi Evolution EV0 EVO X 4G63 4B11T
Universal Chevrolet LS Engine Swap All

Why Choose BorgWarner?

  • Direct supplier to global automakers with decades of turbo expertise
  • Track-proven in endurance racing and drag applications
  • Engineered in Germany for precise balance and flow characteristics

Frequently Asked Questions

  • Q: Does this super core fit specific vehicles?
    A: Universal for custom builds fits popular platforms like Subaru WRX STI Nissan SR20DET Toyota 2JZ-GTE when paired with B1 housings
  • Q: What materials are used in construction?
    A: Compressor wheel forged Gamma-Ti turbine wheel Inconel with Gamma blade coating CHRA investment cast stainless steel
  • Q: What warranty coverage applies?
    A: 12 month no mileage limit warranty covers defects in materials and workmanship with proper installation

Shipping & Handling

  • Method: Standard ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure foam insert double-wall box 12 x 10 x 8 inches
  • Weight: 9.8 lbs

Request For Information

Have questions about BorgWarner Super Core EFR B1 6758? Fill out the form below and we'll get back to you by the next business day.
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