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
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Model: Holset HE250
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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
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Application Type: Small to medium displacement diesel engines
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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
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Street performance turbo diesel builds
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Quick-spooling daily drivers
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Track cars needing mid-range response
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Compound setups (as a high-pressure turbo)
Included / Not Included
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Includes: Genuine Holset HE250 turbocharger unit
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Housing Choice: 6 cm² or 8 cm²
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Does Not Include: Custom lines, downpipe, or adapters (installation-specific)
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