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BorgWarner Airwerks S252SX-E Turbo


The BorgWarner AirWerks S252SX-E aka SXE 7070 Will Bring You Reliable and Affordable Power

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The BorgWarner AirWerks S252SX-E aka SXE 7070 Will Bring You Reliable and Affordable Power

The BorgWarner AirWerks S252SX-E Will Bring You Reliable and Affordable Power

At 52mm inducer, this is the smallest and most budget-friendly turbos in the SX-E family. BorgWarner utilizes their 70mm Inconel turbine wheel with 52.2mm inducer / 70mm exducer EFR compressor in a purpose-built S200SX-E compressor housing. Utilizing the latest generation billet EFR compressor wheel aerodynamics, and uprated 360-degree thrust assemblies, BorgWarner’s all-new ‘SX-Enhanced’ turbos redefine performance, durability, and value.  The modern updated version of the old "S256" turbocharger, the SX-E has smaller overall packaging than the EFR series with similar airflow rates making it an excellent match for the 300-480hp range or as twin-turbos in 600-900hp applications. Oil-Cooled Journal Bearing only.

70mm Compressor Specifications

  • Compressor Wheel Exducer: 70mm
  • Compressor Wheel Inducer: 52.17mm
  • Max Flow Rate: 57 lbs/min
  • Max Recommended Turbo Speed: 560 m/s
  • Compressor Housing Connections:
    • Inlet: 3.5″ Hose Coupler
    • Outlet: 2.0″ Hose Coupler

70mm Turbine Specifications

  • Turbine Wheel Exducer: 61.43mm
  • Turbine Wheel Inducer: 70mm
  • Housing Size and A/R ratio: S252SX-E 7070 is available in six (6) different turbine housing configurations:
    • 0.83 A/R Divided T4 Twin Scroll Inlet
    • 1.00 A/R Divided T4 Twin Scroll Inlet
    • 1.09 A/R Divided T4 Twin Scroll Inlet
    • 1.15 A/R Divided T4 Twin Scroll Inlet
    • 1.22 A/R Divided T4 Twin Scroll Inlet
  • Turbine outlet: 3″ Marmon or Optional 3″ V-Band Upgrade ($150)


S200SX-E 7070 Compressor Map

BorgWarner Airwerks S252SX-E Turbo


  • 3.5″ inlet / 2″ outlet compressor housing with new aero, integrated speed sensor port and pre-machined boost port
  • All-new severe-duty 360-degree thrust bearing
  • Interchangeable with existing turbine housings
  • Inconel 70mm turbine wheel, same blade shape as EFR7670
  • Optional Turbo Speed Sensor Kit
  • Optional Turbo Speed Gauge

Why We Love It:

BorgWarner's SX-E 7070 delivers huge bang-for-the-buck while using the proven materials and durability from the S300SX-E series.  This thing absolutely rocks.  A great turbo for any 4 or 6 cyl engine at 250-400hp range or twin turbo engines in the 400-750hp range.  Great reliability, great fitment and unbelievably good sound.  This turbo is surprisingly popular from stationary power generation and marine applications too. 


S200SX-E Dimensions


Airwerks Series Turbochargers

Simple. Scalable. Strong.

Airwerks turbochargers are designed for the competitive motorsports market as well as drivers retrofitting a naturally aspirated engine or looking for a little more performance from a factory turbocharged car.  Engineered specifically for drag racing, pulling, and road racing, AirWerks turbochargers have earned a reputation as robust, brute-force induction systems. Looking for a no-frills replacement? Want to upgrade your turbocharger? Working with limited space? BorgWarner’s AirWerks turbochargers are the perfect go-to product for many applications.  With a twin hydrodynamic journal bearing design, AirWerks turbochargers feature an effective high-pressure ratio compressor stage, extended-tip technology, and a high-efficiency turbine stage. The configuration provides ultra-fast response and more than 70 PSI of boost capability.

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