Over the past two years, Bell has conducted extensive prototype and track testing with our top professional NASCAR drivers to improve airflow, ventilation and cooling in high temperature environments. The Infusion uses Bell's Air Chamber technology to create pressurized chambers inside the helmet to help accelerate and route airflow for maximum ventilation. The Infusion is offered in a left side air and right side air version. Airflow is directed to the front of the face. The Infusion will be used extensively in NASCAR and Sports Car competition in 2007.
Air Chamber Technology
The Infusion Side Forced Air features an air chamber system designed to increase pressure and accelerate airflow into a sealed chamber in the front of the helmet maximizing ventilation and cooling.
| Part Numbers, Color, Sizing | |
| Infusion Right Side Air | |
| White | Flat Black |
| 2004163 7⅛ | 2004175 7⅛ |
| 2004164 7¼ | 2004176 7¼ |
| 2004165 7⅜ | 2004177 7⅜ |
| 2004166 7½ | 2004178 7½ |
| 2004167 7⅝ | 2004179 7⅝ |
| 2004168 7¾ | 2004180 7¾ |
| Infusion Left Side Air | |
| White | Flat Black |
| 2004145 7⅛ | 2004157 7⅛ |
| 2004146 7¼ | 2004158 7¼ |
| 2004147 7⅜ | 2004159 7⅜ |
| 2004148 7½ | 2004160 7½ |
| 2004149 7⅝ | 2004161 7⅝ |
| 2004150 7¾ | 2004162 7¾ |
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