Borg Warner AirWerks S251SX – 51mm S200SX 7070

Description

BorgWarner Air Werks S200 SX 7070 aka S251SX (177257)

BorgWarner’s entry level ‘SX-Series’ turbos redefine performance, durability and value for modern turbochargers.

This is an excellent match for the 220-580hp range (up to 2.6L) or as twin turbos in 440-1160hp applications. Oil-Cooled Journal Bearing only.

This is one of the best values we’ve ever seen in the turbo industry. Designed as a fast spooling and versatile turbocharger, the S200SX compressor uses a 7-blade Extended-Tip design w/ 50.7mm inducer & 70mm exducer rated at ~54 lb/min. 3? inlet 2? outlet compressor housing comes standard. The S200SX turbine wheel is a 10 blade turbine with exceptional blade aero, shared with the EFR family. Borg Warner chose the 0.83 A/R Twinscroll T4 footprint to make it a bolt-on for any divided T4 turbo manifold. Ideal for use in quick spooling 220-500+ whp applications. Full-Race recommends porting the turbine housing inlets to match T4 size openings. Full-Race Recommends machining the Borg Warner/Airwerks turbocharger outlet and welding on a 3? Vband flange.
 

Compressor Specifications

• Max Flow Rate: ~54 lbs/min (Compressor Map Unavailable)
• Max Recommended Turbo Speed: 138000 RPM (560 m/s)
• Compressor Housing Connections:
  • Inlet: 3.0? Hose Coupler
  • Outlet: 2.0? Hose Coupler

Turbine Specifications

Housing Size and A/R ratio: S251SX 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
  • 1.27 A/R Divided T4 Twin Scroll Inlet

Turbine outlet: 3? Marmon or Optional 3? V-Band Upgrade ($150)

BorgWarner’s S200 SX-Enhanced 51mm Turbo Features:

• 3.0? inlet / 2? outlet compressor housing
• All-new severe duty 360 degree thrust bearing
• Interchangeable with existing turbine housings
• 70mm turbine wheel

Airwerks® Series Turbochargers

Simple. Scalable. Strong.

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.