Kinugawa 3" Ball Bearing TD06H-25G Turbo — Subaru WRX & STI 500–600whp Upgrade
The Kinugawa TD06H-25G is a dual ceramic ball bearing turbocharger built for Subaru WRX and STI platforms targeting 500–600whp. Featuring a large 60.5/78mm compressor wheel and STS Advanced ball bearing technology, it delivers strong mid-to-high range power with faster spool than journal bearing alternatives. Note: This is not a bolt-on fitment. Your intake pipe or manifold must be modified to accept the 3" compressor inlet. Available with Anti-Surge or Non Anti-Surge compressor housing.
Vehicle Fitment
- 2002–2007 Subaru WRX (EJ205)
- 2004–2020 Subaru WRX STI (EJ257)
- 2004–2007 Subaru Forester XT
- Replaces TD04L, IHI VF30, VF35 — modification required for 3" inlet
Turbocharger Specifications
CHRA: TD06H-25G
Power capability: 500–600whp
Compressor wheel: 60.5/78mm — Billet 6+6 (low-end torque) or Billet 11+0 (top-end speed)
Turbine wheel: 58.8/67.2mm — 9 blades STS (Superior Turbine Strike)
Compressor housing: AR.60, 3" inlet, 2" outlet — Anti-Surge or Non Anti-Surge
Turbine housing options: 8cm/AR.57 or 10cm/AR.73
Turbine inlet: Subaru single scroll
Turbine outlet: Subaru 5-bolt
Wastegate: Internal gated (IWG)
Turbine material: High-Ni alloy for thermal resistance
Bearing type: STS Advanced Dual Ceramic Ball Bearing
Cooling: Oil and water cooling
Actuator pressure (default): 1.0 bar / 14.7 psi
Custom actuator pressures available: 0.3, 0.5, 0.8, 1.2, 1.5, 1.7, or 2.0 bar — add a note at checkout or contact us.
STS Advanced Dual Ceramic Ball Bearing
Kinugawa's proprietary STS Advanced bearing system delivers faster spool, reduced friction, and extended service life compared to journal bearing designs.
What's in the Box
- 1× TD06H-25G Turbocharger
- 1× Oil supply set
- 1× Water supply and return pipe set
- 1× Return oil pipeline
- 1× Turbine inlet and outlet gasket
- 5× Stud and nut set
- 1× Balance Report with Anti-Counterfeit Tag
Condition & Quality
- Brand new
- Full balance certified by SCHENK MBRS 110 (Germany)
Manufacturer
Kinugawa Turbo Systems
Warranty
Kinugawa Turbo Systems offers a KINUGAWA TROUBLE-FREE WARRANTY for 1 year from the purchase date to the original purchaser. Return for a free overhaul, recondition, or replacement depending on availability. Kinugawa covers you no matter the issue.
Note: Maximum power stated represents potential flywheel power based on compressor choke flow. Performance results depend on your vehicle's modifications and tuning/calibration.