Holset HE250 Turbocharger

The Holset HE250 delivers fast spool and strong airflow in a compact package, making it an excellent upgrade for small to mid-frame turbodiesel engines. Offered with either a 6 cm² or 8 cm² turbine housing, both featuring a T3 twin-scroll flange, this turbo is a versatile choice for responsive street builds or higher boost applications with supporting fuel upgrades.

Specifications

• Model: Holset HE250

• Turbine Housing Options:
  6 cm² (fast spool, ideal for daily/street)
  8 cm² (more top-end flow, ideal for performance builds)

• Exhaust Flange: T3 twin-scroll

• Application Type: Small to medium displacement diesel engines

• Wastegate: Integrated (varies by exact model)

Performance Notes

Twin-scroll design improves boost response and efficiency
6 cm² housing provides quick spool for stock or mildly upgraded pumps
8 cm² housing offers more top-end for high-fuel builds
 Works well on OM617, OM602, OM603, OM605, & OM606 with proper fueling

 Final output depends heavily on injection pump elements and tuning.

Best Use Cases

• Street performance turbo diesel builds

• Quick-spooling daily drivers

• Track cars needing mid-range response

• Compound setups (as a high-pressure turbo)

Included / Not Included

• Includes: Genuine Holset HE250 turbocharger unit

• Housing Choice: 6 cm² or 8 cm²

• Does Not Include: Custom lines, downpipe, or adapters (installation-specific)