The GK428 is the current spec engine supplied to all the LMP2 teams competing in the FIA World Endurance Championship (WEC), the Le Mans 24 Hours, the European Le Mans Series (ELMS), the IMSA WeatherTech series and the Asian Le Mans Series (AsLMS).
The GK428 has been specifically developed for endurance racing and is one of the most technically advanced engines that Gibson has produced, incorporating the latest design, manufacturing and development techniques available.