Official shop has been closed. If you are interested in services, or books mentioned in articles. Please contact us, for manual order.
Services
| Name | price CHF | description |
| HR Beginner Pack | 66.6 | Report containing all necessary information for engine calibration. |
| HR Kamikaze pack | 466.6 | All you ever need to know for extracting max. engine power. |
| HR Custom pack | 666 | Too many questions, too little answers? |
| Stage 2 – HR rally engine calibration | 366.6 | Stage 2 transient response, rally-style, engine calibration. |
Self-study eBooks
| Name | price CHF | description |
| Boost doesn’t matter | 66.6 | All secrets of stock turbochargers. |
| Optimizing Air-to-Fuel-Ratio | 66.6 | The secrets of optimal AFR. |
| BHG eBook mega pack | 96.6 | All you ever need to know for proper engine calibration. |