BorgWarner S1BG T25 Internal WG Turbocharger (313295)
The S1BG is a high end journal bearing T25 turbo with Internal-WG that supports 70-280hp. Available with 2 turbine wheel sizes and 3 compressor wheels – depending on engine displacement, boost and power targets. Oil-Cooled Journal Bearing only.
Note: Part #313798 has 0.81 A/R Turbine Housing
Compressor Specifications
- Compressor Type: Extended Tip
- Compressor Wheel OD (exducer): 48.31mm, 52.91mm, or 57.96mm
- Compressor Wheel Inducer: 34.21mm, 39.32mm, or 43.28mm
- Max Flow Rate: 30 lb/min
- Compressor Housing Connections:
- Inlet: 2.375″ Hose Coupler
- Outlet: 2.0″ Hose Coupler
Turbine Specifications
- Turbine Type: Inconel S1 Turbine Wheel
- Turbine Wheel OD: 46.99mm or 52.92mm
- Housing Material: D5S sandcast
- WG bracket orientation independent from compressor and turbine clocking
Housing Size and A/R Ratio: S1BG is available in four (4) different turbine housing configurations:
- 0.35 A/R T25
- 0.46 A/R T25
- 0.61 A/R T25
- 0.81 A/R T25
Turbine outlet: twin 5 bolt (aka 6bolt)
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