Complex sentence: Highcroft was one of two teams, the other being de Ferran Motorsports, chosen to campaign Acura's new LMP1 car, the Acura ARX-02a during the 2009 American Le Mans Series season.
Split into simpler sentences: Highcroft was one of two teams chosen to campaign Acura's new LMP1 car. Highcroft and De Ferran Motorsports would compete with the Acura ARX-02a during the 2009 American Le Mans Series season.