Balance of Performance adjustments will be permitted in the LMP2 class next season in the FIA World Endurance Championship.

The new-for-2017 cars, featuring spec Gibson engines, ran without any BoP adjustments this year in the WEC, European Le Mans Series and IMSA WeatherTech SportsCar Championship, although one-time ‘joker’ updates were granted to three of the four constructors for next year, in an effort to equalize the cars.

Now, it has been revealed, in the publishing of the 2018/19 WEC sporting regulations, that further adjustments can be made to each car’s weight, fuel capacity and aerodynamics throughout the WEC season, at the FIA Endurance Committee’s discretion.

Per the regulations, up to 30kg of weight could be added, along with as much as a 10-liter fuel capacity reduction and newly allowed “aerodynamic restrictions” for 2018.

It’s understood the committee would take measures to reduce the performance of the fastest car, rather than speed up the slower prototypes.

“Should a particular model of car perform too well, under the terms applicable to the adjustment of performance the Endurance Committee may take immediate measures to reduce its performance,” the regulations state.

It’s unclear if any BoP adjustments would also be applicable for the ELMS and WeatherTech Championship, although the 24 Hours of Le Mans falls under WEC rules.

BoP adjustments had been part of the previous-generation LMP2 regulations, which allowed multiple engine manufacturers and constructors.