HKS GT II Sports Turbine Kit
For extreme power, we design the turbine with the engine itself.
GT II turbine is HKS original turbine developed along with the engine deveopment and designing which is replaceable for stock engine. We designed wheel and housing for each engine characteristic and tested over and over to develop better products and new technology.
- Factory Replacement Type Sports Turbine Kit for SUBARU EJ20/25 Single Scroll Turbine.
- Compared to the existing kit 11004-AF010, EJ20 engine is the main target of this kit; therefore, A/R of the exhaust housing is 0.67.
- The ball bearing turbine of this kit was originally designed by HKS. Enlarged turbine wheel increases air volume. The ball bearing can reduce response loss. Also, the bypass port was also enlarged to reduce load to the engine and restrict the exhaust pressure increase at high engine rpm.
- This turbine kit includes all necessary parts in order to install the kit such as an actuator, oil outlet pipe, etc. (There may be parts necessary to purchase separately, and parts modification is required in order to install this kit.)
Component
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There were many famous turbines in HKS' History. And that's the history of the tuning itself. HKS have been optimizing those turbines for each automobile and with other necessary parts they made tuning kits for small tune-ups to super high-power tune-ups. HKS' turbine kit can fulfill your desire of tune-ups.
HKS turbine kits are developed under the tough situation such as street or motor sport competition. We have tested in all situation of driving environment and collected the data. All these exploitation lead them to develop the world's best tuning turbine kit.
This product is compatible with the following vehicles
| Vehicle Make | Vehicle Model | Vehicle Variant | From | To | Engine | Notes |
| Subaru | Impreza | RB | 2007 | 2007 | EJ257 | 2.5L RB320 - 4WD Petrol |
| Subaru | Impreza | WRX | 2007 | 2011 | EJ257 | 2.5L - 4WD Petrol |
| Subaru | Impreza | STi | 2007 | 2011 | EJ257 | 2.5L - 4WD Petrol |
| Subaru | Impreza | STi | 2009 | 2010 | EJ257 | 2.5L 330S - 4WD Petrol |
| Subaru | Impreza | WRX | 2009 | 2010 | EJ257 | 2.5L 330S - 4WD Petrol |
| Subaru | Impreza | WRX | 2009 | 2010 | EJ257 | 2.5L S - 4WD Petrol |
| Subaru | Impreza | Cosworth STi | 2010 | 2011 | EJ257 | 2.5L CS400 - 4WD Petrol |
Whether it is engine, exhaust, suspension, or drive-train systems, there is no substitute for the performance, quality and reliability of HKS. Part-Box/Co-ordSport are an approved distributor for HKS performance and tuning products.
For over 35 years, HKS products have been put to the test in drag racing, road racing, rallying, and top speed trials. HKS equipped vehicles have captured numerous racing championships and hold claim to a myriad of competition records using many “off the shelf”, race proven HKS components. As a result, HKS has been synonymous with “performance” in the automotive aftermarket industry for the past 35+ years.
